Intelligence is not to make no mistakes, but quickly to see how to make them good.

Anyone whoconducts an argument by appealing to authority is not using his intelligence,just his memory.

Ignorance is a form of environmental pollution.

Men of genius are admired, men of wealth are envied, menof power are feared; but only men of character are trusted.

Onemust talk little and listen much.

We cannot all be great but we can always attach ourselves to something that is great.

Trust exists; only lies are invented.

Cooperativeconflict builds people up, strengthens their relationships, and gets thingsdone.

Power is the faculty or capacity to act, the strength andpotency to accomplish something. It is the vital energy to make choices anddecisions. It also includes the capacity to overcome deeply embedded habitsand to cultivate higher, more effective ones.

Nothing in life is to be feared. It is only to be understood.

Thetorment of human frustration, whatever its immediate cause,is the knowledge that the self is in prison, its vital force and ‘mangledmind’ leaking away in lonely, wasteful self-conflict.

Too late is the medicine prepared, when the disease has strengthened by long delay.