发现的喜悦无疑是人类心灵所能感受到的最活跃的。
"The joy of discovery is certainly the liveliest that the mind of man can ever feel."
"Parental investment is the key to understanding the origins of sex differences."
Every failure is a step closer to the answer.
The best things in life are unexpected.
The best way to overcome fear is to face it.
世界就是一本书，不旅行的人只读了其中一页。