Everybody's human-everybody makes mistakes. If you laugh it off and keep going and try to give it your best the next time around, people respect that.

That as we enjoy great advantages from the inventions of others, we should be glad of an opportunity to serve others by any invention of ours, and this we should do freely and generously.

But the eyes of other people are the eyes that ruin us. If all but myself were blind, I should want neither fine clothes, fine houses nor fine furniture.

The doorstep to the temple of wisdom is a knowledge of our own ignorance.

An investment in education always pays the highest returns.

If the elbow had been placed closer to the hand, the forearm would have been too short to bring the glass to the mouth; and if it had been closer to the shoulder, the forearm would have been so long that it would have carried the glass beyond the mouth.

Those who in quarrels interpose, must often wipe a bloody nose.