Preserve substance; modify form; know the difference.

If you don't understand that you work for your mislabeled 'subordinates', then you know nothing of leadership. You know only tyranny.

The problem is never how to get new, innovative thoughts into your mind, but how to get old ones out.

Knowledge is never in doubt. Wisdom is never certain.

The ultimate insanity is to so organize society that power, wealth, and information are concentrated in the hands of so few people that they have the power, for whatever reason, to put to death our species and the living earth as well. But so we have.

The ultimate profanity is to invoke any deity in support of death or destruction in any form, particularly war.

Much of that which passes for conversation these days is the lobbing of small bombs of dogma and little clots of banality at one another.

Education that gives priority to measurement rather than values, to efficiency rather than conscience, to information rather than ethics, provides no barrier to barbarity and violence. The Holocaust was perpetrated by a society of the most disciplined, highly educated people on earth.

Certainty is the place where questions go to die.

Just as bad money drives out good, the broad, deep, inclusive renaissance mind is being driven out by the narrow, specialized, technical mind.