Even as a child she had lived her own small life within herself. At a very early period she had apprehended instinctively the dual life - that outward existence which conforms, the inward life which questions.

The only way to learn mathematics is to do mathematics.

I don't let the past hold me hostage.

邪恶胜利的唯一必要条件是好人的无所作为。

诗歌不是一个封闭的领域，而是一个开放的领域，读者被邀请进入。

每个实验都是与自然的对话，有时自然会对我们耳语它的秘密。