Only one who has learned much can fully appreciate his ignorance.

A mind, like a home, is furnished by its owner, so if one's life is cold and bare he can blame none but himself. You have a chance to select from pretty elegant furnishings.

It is better to fear a little. One is cautious then.

It is better to have no emotion when it is work. Do what needs to be done, and do it coolly.

Throw a rock into a pack of dogs, the one that yelps the loudest is usually the one that got hit.

There have always been hard times. There have always been wars and troubles

A parent or a teacher has only his lifetime; a good book can teach forever.