It is one thing to show a man that he is in an error, and another to put him in possession of truth.
People who have great relationships don’t do so because they have no problems. They have great relationships because they deal with their problems well.
"The only limit to our realization of tomorrow will be our doubts of today."
Creativity requires the courage to let go of certainties.
What has destroyed every previous civilization has been the tendency to the unequal distribution of wealth and power.