Never underestimate the power of the human spirit.

"We are all searching for something, but sometimes what we are searching for is already within us."

The thought of death should usher us towards whatever happens to matter most to us; it should lend us the courage to pursue the way of life we value in our hearts.

The worth of a psychological theory is measured by its usefulness.

我不是那种会让对我忠诚的爱减少的人。

最好的领导者是那些倾听多于说话的人。