A book is a mirror; if an ass peers into it, you can't expect an apostle to peer out.

The tormentof human frustration, whatever its immediate cause, is the knowledge that theself is in prison, its vital force and ‘mangled mind’ leaking away in lonely,wasteful self-conflict.

One ofthe best ways to persuade others is with your ears by listening to them.

Analysis kills spontaneity.The grain once ground to floor,springs and germinates no more.

Example is better than following it.

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…

Anyonewho conducts an argument by appealing to authority is not using his intelligence,just his memory.

Learning without thought is labour lost,thought without learning is perilous.

Thehardest step is over the threshold.

Theshallower the brook, the more it babbles.

Man alone contains within himself as many species as exist on earth.

He who asks questions cannot avoid the answers.