阿秒时间尺度对于电子运动的研究,就像高速摄像机对于研究动物运动一样重要。#
Skepticism: the mark and even the pose of the educated mind.
Every story I write starts with a question I can't answer.
The division of labour, so far as it can be introduced, occasions, in every art, a proportionable increase of the productive powers of labour.