He tried to weigh his soul to see if it was a poet's soul.

We cannot change, we cannot move away from what we are, until we thoroughly accept what we are.

Stay committed to your decisions, but stay flexible in your approach.

The ruling class has the means of material production at its disposal; the proletariat has nothing but their labor power.

Investing in clean coal technologies isn't an expense—it's an investment in our future.

个人的行为并非以社会福利最大化为目标。

Don't be afraid of failure, because failure is the stepping stone to success.