爱是唯一能将敌人转变为朋友的力量。
Love is the only force capable of transforming an enemy into a friend.
The value of any mental activity is measured by its contribution to successful living.
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.
我们不是环境的受害者,而是自己决定的产物。