The algebraic analysis is the most extensive and the most certain of all the sciences; it is the only one which has a method invariable and infallible.
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。
我不习惯安逸。我只在不舒服的时候才感到舒服。
The truth is a burden, but also a liberation.