The study of mathematics is the indispensable basis for all intellectual and spiritual progress.

我喜欢挑战自己，把自己推到极限。

It is the duty of a student to get everything out of a teacher， and the duty of a teacher to get everything out of a student.

没有明显原因的巨额财富的秘密是被遗忘的罪行。

建筑是关于创造人与自然之间的对话。