Always be nice to those younger than you, because they are the ones who will be writing about you.
You must not think me necessarily foolish because I am facetious, nor will I consider you necessarily wise because you are grave.
O, it is excellent to have a giant's strength; but it is tyrannous to use it like a giant.
Never let the demands of tomorrow interfere with the pleasures and excitement of today.
In all affairs it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.
The advantage of a classical education is that it enables you to despise the wealth that it prevents you from achieving.
Science is nothing but developed perception, interpreted intent, common sense rounded out and minutely articulated.