当遗憾取代梦想时，一个人才算老了。

We stand at the threshold of a new era in biology.

All changes, even the most longed for, have their melancholy; for what we leave behind us is a part of ourselves; we must die to one life before we can enter into another.

The market is a reflection of the economic fundamentals.

广东话谚语

我爱人类作为我的同胞；但他的权杖，无论是真实的还是篡夺的，除非个人的理性要求我致敬，否则不会延伸到我。

Peace is not merely the absence of war, but the presence of justice, of law, of order—in short, of government.

教学应服从于人类心智发展的规律。

The most successful businesses are those that align profit with purpose.