You think when you wake up in the mornin yesterday don't count. But yesterday is all that does count.

The present is the past rolled up for action, and the past is the present unrolled for understanding.

在科学问题上，一千个人的权威抵不上一个人的谦卑推理。

我不是为读者写作；我是为自己写作。

我不会接受否定的答案。