What matter is not to add years to your life but to add life to your years.

Necessity truns lion into fox.

Pessimism, when you get used to it, is just as agreeable as optimism.

Arbitrary power is like most other things which are veryhard, very liable to be broken.

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…

Thesubconscious part in us is called the subjective mind, because it does notdecide and command. It is subject rather than a ruler. Its nature is to dowhat it is told, or what really in your heart of hearts you desire.

Two man looks out through the same bars: the one sees the mud, the one the stars.

A matter that becomes clear ceases to concern us.

One whodoes not look ahead remains behind.

There is no knowledge that is not power.

When aman says that he approves something in principle, it means he hasn't theslightest intention of putting it in practice.

Wisdom requires that we pour a little oil of delicate courtesy on the wheels of friendship.