刷埋藏最深的阴霾。每件你所经历的坏事，都将最终影响你走上良好发展的坦途。挫折是最好的、最残酷的生存训练，关键是你有没有发现它的价值，借它之势成就自己。好几个环节每一次低谷都蕴含着最强的向上力量，每次的痛哭都会洗刷埋藏最深的阴霾。每件你所经历的坏事，刷埋藏最深的阴霾。每件你所经历的坏事，都将最终影响你走上良好发展的坦途。挫折是最好的、最残酷的生存训练，关键是你有没有发现它的价值，借它之势成就自己。好几个环节每一次低谷都蕴含着最强的向上力量，篇一：英语演讲稿关于梦想five score years ago， a great american， in whose symbolic shadow we stand signed the emancipation proclamation. this momentous decree came as a great beacon light of hope to millions of negro slaves who had been seared in the flames of withering injustice. it came as a joyous daybreak to end the long night of captivity.but one hundred years later， we must face the tragic fact that the negro is still not free. one hundred years later， the life of the negro is still sadly crippled by the manacles of segregation and the chains of discrimination. one hundred years later， the negro lives on a lonely island of poverty in the midst of a vast ocean of material prosperity. one hundred years later， the negro is still languishing in the corners of american society and finds himself an exile in his own land. so we have come here today to dramatize an appalling condition.in a sense we have come to our nations capital to cash a check. when the architects of our republic wrote the magnificent words of the constitution and the declaration of independence， they were signing a promissory note to which every american was to fall heir. this note was a promise that all men would be guaranteed the inalienable rights of life， liberty， and the pursuit of happiness.it is obvious today that america has defaulted on this promissory note insofar as her citizens of color are concerned. instead ofhonoring this sacred obligation， america has given the negro people a bad check which has come back markedso we have come to cash this check - a check that will give us upondemand the riches of freedom and the security of justice.we have also come to this hallowed spot to remind america of the fierce urgency of now. this is no time to engage in the luxury of cooling off or to take the tranquilizing drug of gradualism. now is the time to rise from the dark and desolate valley of segregation to the sunlit path of racial justice. now is the time to open the doors of opportunity to all of gods children. now is the time to lift our nation from the quicksands of racial injustice to the solid rock of brotherhood.it would be fatal for the nation to overlook the urgency of the moment and to underestimate the determination of the negro. this sweltering summer of the negros legitimate discontent will not pass until there is an invigorating autumn of freedom and equality. nineteen sixty-three is not an end， but a beginning.those who hope that the negro needed to blow off steam and will now be content will have a rude awakening if the nation returns to business as usual. there will be neither rest nor tranquility in america until the negro is granted his citizenship rights. the whirlwinds of revolt will continue to shake the foundations of our nation until the bright day of justice emerges.but there is something that i must say to my people who stand on the warm threshold which leads into the palace of justice. in the process of gaining our rightful place we must not be guilty of wrongful deeds. let us not seek to satisfy our thirst for freedom by drinking from the cup of bitterness and hatred.we must forever conduct our struggle on the high plane of dignity and discipline. we must not allow our creative protest to degenerate into physical violence. again and again we must rise to the majestic heights of meeting physical force with soul force.the marvelous new militancy which has engulfed the negro communitymust not lead us to distrust of all white people， for many of our white brothers， as evidenced by their presence here today， have come to realize that their destiny is tied up with our destiny and their freedom is inextricably bound to our freedom.we cannot walk alone.and as we walk， we must make the pledge that we shall march ahead. we cannot turn back. there are those who areasking the devotees of civil rights，go back to mississippi， go back to alabama， go back to georgia， go back to louisiana， go back to the slums and ghettos of our northern cities， knowing that somehow this situation can and will be changed. let us not wallow in the valley of despair.i say to you today， my friends， that in spite of the difficulties and frustrations of the moment， i still have a dream. it is a dream deeply rooted in the american dream.i have a dream that one day this nation will rise up and live out thetrue meaning of its creed：i have a dream that one day on the red hills of georgia the sons of former slaves and the sons of former slaveowners will be able to sit down together at a table of brotherhood.i have a dream that one day even the state of mississippi， a desert state， sweltering with the heat of injustice and oppression， will be transformed into an oasis of freedom and justice.i