Show me your achievement, and the knowledge will give me courage for mine.

One must differentiate between one's thoughts and one's emotions with full clarity and precision...No discussion, cooperation, agreement, or understanding is possible among men who substitute emotion for proof.

I need no warrant for being, and no word of sanction upon my being. I am the warrant and the sanction.

He stepped to the window and pointed to the skyscrapers of the city. He said that we had to extinguish the lights of the world, and when we would see the lights of New York go out, we would know that our job was done.

That's a cute sentence: the years to come. Why are you so sure they're coming?

Litigants obey the verdict of a tribunal solely on the premise that there is an objective rule of conduct, which they both accept.

If you write a whole line of zeroes, it's still — nothing.