DNA的双螺旋结构不仅美丽，而且优雅简单。

The dead might as well try to speak to the living as the old to the young.

Success is not just about what you achieve, but how you achieve it.

To be a writer is to sit down at one's desk in the chill portion of every day, and to write; not waiting for the little jet of the blue flame of genius to start from the breastbone.

The most difficult thing is to be simple.

小额信贷的真正力量，是让穷人相信自己的潜力。

变化的速度永远不会比今天更慢。