The most perfect ape cannot draw an ape; only man can do that; but, likewise, only man regards the ability to do this as a sign of superiority.

Imagine the world so greatly magnified that particles of light look like twenty-four-pound cannon balls.

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.

One of our forefathers must have read a forbidden book.

To many people virtue consists chiefly in repenting faults, not in avoiding them.

The highest level than can be reached by a mediocre but experienced mind is a talent for uncovering the weaknesses of those greater than itself.

I cannot say whether things will get better if we change; what I can say is they must change if they are to get better.