If a man is prodigal, he cannot be truly generous

Every advantage has its tax

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

Mensucceed when they realize that their failures are the preparation for theirvictories.

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…

Can we do good to the world? In an absolute sense, no; in a relative sense, yes.

If youcould kick the person in the pants responsible for most of your trouble, youwouldn't sit for a month.

No matterhow thin you make a pancake, it always has two sides.

Thepessimist sees difficulty in every opportunity. The optimist sees opportunityin every difficulty.

A fly beforehis own eye is bigger than an elephant in the next field.

Symanpathy is a supporting atmosphere, and in it we unfold easily and well

If pain could have cured us, we should have long ago been saved.