I'm a dreamer, but I'm also a doer.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.
每一个写下的词都是自由的行动。
The greatest danger to our future is apathy.
The Erdős discrepancy problem fascinated me because it was so simple to state yet so deep in its implications.
我们都是相互联系的；在生物学上彼此相连。在化学上与地球相连。在原子层面上与宇宙的其他部分相连。