A woman's guess is much more accurate than a man's certainty.

The most important decision is your attitude towards the world.

世界上充满了显而易见的事情，但没有人注意到。

The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.