Radicalism itself ceases to be radical when absorbed mainly in preserving its control over a society or an economy.

The capacity for getting along with our neighbor depends to a large extent on the capacity for getting along with ourselves. The self-respecting individual will try to be as tolerant of his neighbor's shortcomings as he is of his own.

Sometimes we feel the loss of a prejudice as a loss of vigor.

Our sense of power is more vivid when we break a man's spirit than when we win his heart.

...the majority of people cannot endure the bareness and futility of their lives unless they have some ardent dedication, or some passionate pursuit in which they can lose themselves.

In a time of drastic change, it is the learners who inherit the future.

The wise learn from the experience of others, and the creative know how to make a crumb of experience go a long way.