The beauty of science is that it allows us to explore the unknown and uncover the mysteries of life.
Life is too short to waste time hating anyone.
书籍是最安静、最恒久的朋友；它们是最易接近、最明智的顾问，也是最耐心的老师。
I am not without possessions; I have freedom.
To enjoy freedom we have to control ourselves.
Technology can be our greatest ally in sustainable forest management.
知识的唯一来源是经验。