只有不断学习，才能在激烈的竞争中立于不败之地。
Sometimes the smallest things take up the most room in your heart.
光是所有存在的起源。
做数学的艺术在于找到包含所有普遍性萌芽的特殊情况。
The aim of every artist is to arrest motion, which is life, by artificial means and hold it fixed so that a hundred years later, when a stranger looks at it, it moves again since it is life.
It is best to act with confidence, no matter how little right you have to it.