Man is born free， and everywhere he is in chains.

代数分析是所有科学中最广泛和最确定的；它是唯一具有不变和可靠方法的一门科学。

The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

"The higher you go, the more your mistakes cost."

我并不完美，但我每天都在努力专注于变得更好。