The "second sight" possessed by the Highlanders in Scotland is actually a foreknowledge of future events. I believe they possess this gift because they don't wear trousers.

If people should ever start to do only what is necessary millions would die of hunger.

The worst thing you can possibly do is worrying and thinking about what you could have done.

One's first step in wisdom is to question everything - and one's last is to come to terms with everything.

It is almost impossible to carry the torch of truth through a crowd without singeing somebody's beard.

Many intelligent people, when about to write . . . , force on their minds a certain notion about style, just as they screw up their faces when they sit for their portraits.

It is a sure evidence of a good book if it pleases us more and more as we grow older.