合乎伦理的科学不是一种限制，而是信任的基础。

A novel is a mirror walking along a main road.

人性本善，但罪恶的社会环境使人变坏了。

"Time is not a line but a dimension, like the dimensions of space."

Profit is important, but it should never come at the expense of our principles.

没有耐心，你什么也学不到。