The one who was born a genius can't win against the one who tries, and the one who tries can't win against the one who enjoys.

When strict with oneself, one rarely fails.

If I hold up one corner of a square and the student cannot workout the other three for himself, I won't go any further.

If a man keeps cherishing his old knowledge so as continually to be acquiring new, he may be a teacher of others.

If your plan is for one year plant rice. If your plan is for ten years plant trees. If your plan is for one hundred years educate children.

The wise man admires water, the kind man admires mountains. The wise man moves, the kind man rests. The wise man is happy, the kind man is firm.

The man who moves a mountain begins by carrying away small stones.