接人待物要平和而有节操，处理事情要明白而果断，识理要正直诚实而通达。

I don't think about age. People who tell me I'm too old to do something, I just ignore them.

Joy is the emotion which accompanies the fulfillment of our natures when we have lived up to our potential.

The principles of conditioning apply equally to all species.

Success is measured not just by profit, but by positive impact.

这是最好的时代，这是最坏的时代。