You are not stuck where you are unless you decide to be.
人不是他自认为的那样,而是他所隐藏的那样。
Mathematics is not a spectator sport.
If you're not moving forward, you're falling behind.
Understanding is the foundation of all wisdom.
Don’t you wonder sometimes, what might have happened if you tried?
世界是一本书,不旅行的人只读了其中一页。
当你在一生中做某事做到最好时,你真的不想放弃——对我来说就是网球。
It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.