To each appearance, as it arises, we should oppose the equal appearance.
 对于每一个出现的表象,我们应该提出相等的表象。
好奇心推动数学家前进,总是在寻找下一个要回答的问题。
A government that fears its people is a government that has lost its legitimacy.
Certification standards are the compass for responsible forestry.
It's survival of the fittest.