Knowlege is two-fold, and consists not only an affirmation of what is true, but in the negation of that which is faise

To know how to free oneself is nothing: the arduous thing is to know what to do with one's freedom.

People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...

The measure of a man is what he does with power.

If all those who speak would weigh their words, how light air would be!

Nothing is a permanent except change.

Effectivecommunication is 20 percent what you know and 80 percent how you feel aboutwhat you know.

Hatred does not not cease by hatred; but only by rule; this is the eternal rule.

Loving without dreaming is like going to Venice without riding in a gondola

Silenceis as full of potential wisdom and wit as the unshown marble of greatsculpture. The silent bear no witness against themselves.

My greenthumb came only as a result of the mistakes I made while learning to seethings from the plant's point of view.

Theharder the conflict, the more glorious the triumph.