燕子飞来时正值春社，梨花凋落后便是清明时节。

行为金融学告诉我们，投资者并不总是理性的，市场也不总是有效的。

Think wrongly, if you please, but in all cases, think for yourself.

Safety isn't a department - it's a culture that starts at the very top.

Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.

大爆炸不是一切的开始，而是我们可观测宇宙的开始。