In the end, we only regret the chances we didn't take.

I'm the reason your flowers won't bloom.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

I'm not afraid to die, I'm afraid of not trying.

The energy industry must be part of the climate solution, not the problem.

没有什么比女人有幽默感—或男人没幽默感更破坏爱情的。+

Behavior is determined by the interaction of drive and habit strength.