To be Irish is to know that in the end the world will break your heart.

儿童书籍应该挑战、安慰和激励。

The true value of a forest can never be measured in board feet alone.

谦虚是美德，但过于谦虚的人心怀诡诈；缄默是好的行为，但过于沉默的人则胸藏奸伪。

Man is the measure of all things.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."