数学的研究就像空气或重力——它无处不在，你看不到它，但你知道它在那里。

Quality is not a wish; it is a commitment.

"In filmmaking, the most important thing is not the equipment, but the vision."

Agriculture is the most honorable of professions, for it sustains life itself.

面对失败时的坚持将成功的科学家与其他人区分开来。