The malice of the wicked was reinforced by the weakness of the virtuous.

If you want me to speak for two minutes, it will take me three weeks of preparation. If you want me to speak for thirty minutes, it will take me a week to prepare. If you want me to speak for an hour, I am ready now.

The element of the unexpected and the unforeseeable is what gives some of its relish to life and saves us from falling into the mechanical thralldom of the logicians.

When I am abroad, I always make it a rule never to criticize or attack the government of my own country. I make up for lost time when I come home.

Gentleman, I am hardening on this enterprise. I repeat, I am now hardening towards this enterprise.

If you put two economists xin a room, you get two opinions, unless one of them is Lord Keynes, in which case you get three opinions.

Science has given to this generation the means of unlimited disaster or of unlimited progress. There will remain the greater task of directing knowledge lastingly towards the purpose of peace and human good.