日月晖于外，其贼在于内，谨备其所憎，而祸在于所爱。
解释：日月的光辉照亮了大地，可它们的内部仍然有黑点，人们谨慎地看待自己憎恶的人，而祸患常常发生在溺爱的人身上。
Sustainability is not an option; it's a necessity for the future of our planet.
解释：走夜路的人可以保证自己不做坏事，但却没有办法让狗不对着自己乱叫。
Leadership is about making the tough decisions and standing by them.
To lead is to serve, not to be served.
I don't believe in poverty. I believe in hard work.