The most important ability of a product manager is to turn yourself into a fool.

True peace is not merely the absence of tension: it is the presence of justice.

"We are all, in some way, prisoners of our time."

Don't you ever let a soul in the world tell you that you can't be exactly who you are.

对事实进行分类并认识它们的顺序和相对重要性是科学的功能。

儿童值得拥有既让他们高兴又挑战他们的艺术。