——1963年6月25日在西德市政厅柏林墙前的演说
译文:纵欲放荡、消极怠慢就不能勉励心志使精神振作,冒险草率、急躁不安就不能修养性情。
Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be.
预测未来的最好方法就是创造未来。
The only way you can write the truth is to assume that what you set down will never be read.