唯一能阻止你的人是你自己。
数学的快乐来自于为理解而奋斗。
最糟糕的人是那些让别人因为对某事感到兴奋而感到糟糕、愚蠢或愚蠢的人。
I don’t compete with anyone, I compete with myself.
自分を信じることが、成功への第一歩だ。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
No president who performs his duties faithfully and conscientiously can have any leisure.
Teachers are the most important role models in schools, the most instructive examples, and the most vivid examples for students.