量力而进，不能则退。
解释：要量力而行，实力达得到就进攻，达不到就撤退。
Only those who will risk going too far can possibly find out how far one can go.
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
The art of writing is the art of discovering what you believe.
爱不是占有，而是奉献。
最好的政策是那些将经济激励与生态健康相结合的政策。
The voice is an instrument that is very close to the soul.