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。
The great task of life is to learn the will of the Lord and then do it.
We are all blind, but some of us can see.
Energy security is a crucial guarantee for national development. We must intensify technological innovation to enhance the efficiency of oil and gas exploration and production.
The work of art is a trace of the eternal.
Every character in a novel is a kind of experiment in human nature.