The greatest intelligence is precisely the one that suffers most from its own limitations.

Difficultiesare meant to rouse, not discourage. The human spirit is to grow strong byconflict.

All is riddle, and the key to a riddle is another riddle.

Not everything that is faced can be changed. But nothing can be changed until it is faced.

Tact is the ability to make a person see the lightning without letting him feel the bolt.

Lower your voice and strengthen your argument.

There is a foolish corner in the brain of wisest man.

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…

Thereis no squabbling so violent as that between peoplewho accepted an idea yesterday and those who will accept the same ideatomorrow.

There is sweet joy that comes to us that comes to us after sorrow.

There is a sweet joy that comes to us after sorrow.

Cheat me in the price but not in the goods i purchase.