Happiness is not something ready made. It comes from your own actions.

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

Success is not about the destination, it's about the journey.

The method of psychology must be objective, even when studying subjective phenomena.

Environmental stewardship is not optional - it's our responsibility to future generations.

在危机时刻，透明度和问责制至关重要。