质量不是概念；它是一种现实。

The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.

A writer must be willing to be alone.

A scientist’s work is never done.

译文：古代的士、农、工、商四种职业不同但遵循的道是相同的，他们尽自己的心力，在这一点上是一样的。

Risk management is not avoiding risks but understanding and mitigating them.

每一个挑战都是学习和成长的机会。