To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.

模形式的算术是理解数论更深奥谜团的关键。

"Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be."

释义：人生如同一盘棋，在纷繁复杂的世事中，胜负尚未决定，双方都在角力。

The battle of life is already half won by the young man who is brought personally in contact with high officials; and the great aim of every boy should be to do something beyond the sphere of his duties--something which attracts the attention of those who over him.