Hard to live or die hard.
You will be judged on how well you treat those who can do nothing for you.
The way to get started is to quit talking and begin doing.
心理学的价值在于其解释生活的力量。
Sustainability is not an option; it is the only path forward for agriculture.
世界的整个问题在于愚蠢的人和狂热分子总是对自己如此确定,而聪明的人则充满疑虑。