The easy confidence with which I know another man's religion is folly teaches me to suspect that my own is also.

When one's character begins to fall under suspicion and disfavor, how swift, then, is the work of disintegration and destruction.

Never argue with a fool, onlookers may not be able to tell the difference.

If you don't know how to pronounce a word, say it loudly. Do not compound mispronunciation with inaudibility

That reminds me to remark, in passing, that the very first official thing I did, in my administration-and it was on the first day of it, too-was to start a patent office; for I knew that a country without a patent office and good patent laws was just a crab, and couldn't travel any way but sideways or backways.

All our acts, reasoned and unreasoned, are selfish

One day man by the slow processes of evolution shall develop into something really fine and high - some billions of years hence, say.