To be happy, we must not be too concerned with others.
"Every failure is a stepping stone to success, provided we learn from it."
我们开采的每一吨煤炭都必须以最小的环境影响创造最大的价值。
Leadership in forestry means making tough decisions today for a better tomorrow.
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.