The liberty of the individual must be thus far limited: He must not make himself a nuisance to other people.

He understands badly who listens badly.

To teach isto learn twice.

You may be deceived if you trust too much, but you willlive in torment if you don't trust enough.

Don'tcut off your nose to spite your face.

Peoplewho are too concerned with how well they are doing will be less successfuland feel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation,or between extrinsic and intrinsic motivation…

So longas a man is angry he cannot be in the right.

Nothing do I regret more in my student life that thay my teachers were not my friends

Arise, awake and stop not till the goal is reached.

Youcan't shake hands with a clenched fist.

A wise man has great power, and a man of knowledgeincreases strength.

Every kind of peaceful cooperation among men is primarilybased on mutual trust and only secondarily on institutions such as courts ofjustice and police.