"Books are mirrors: you only see in them what you already have inside you."

The great tragedy of Science—the slaying of a beautiful hypothesis by an ugly fact.  

让女性成为理性的生物和自由的公民，她们很快就会成为好妻子和好母亲；也就是说，如果男性不忽视丈夫和父亲的职责。

The only thing we have to fear is the absence of fear itself.

I don't believe in the concept of 'the method'. I believe in the concept of 'the moment'.