戒烟很容易，我已经戒了一千次。

Life can be pulled by goals just as surely as it can be pushed by drives.

Transparency builds trust. Every stakeholder—from farmer to consumer—deserves to know how their food reaches the table.

Courage consists not in hazarding without fear； but being resolutely minded in a just cause.

一个科学家的真正价值是由超越他的学生数量来衡量的。