The desire to get rich is a natural human instinct, and it's not something to be ashamed of.

当你有一个梦想时，你必须抓住它，永远不要放手。

Thought is the means by which the organism negotiates its way through the world.

对探究的自由必须没有任何障碍……科学中没有教条的位置。

怀疑只能由行动来回答。