知足是天然的财富，奢侈是人为的贫困。

The quality of an organization is determined by the quality of its systems.

Psychology should help us understand how we meet life's challenges.

"The best stories are those that resonate with our own experiences, yet take us somewhere new."

Why do I stand up here? I stand upon my desk...to remind myself that we must constantly look at things in a different way.

智者说话，是因为有些话要说；愚者说话，则因为要说些话。

The writer's duty is to write with rigor, with honesty, and to never accept compromises.

近似算法证明了在实现实际解决方案中妥协的力量。

 我既是旁观者清亦是当局者迷。