现代社会已经迷失了方向，被物质主义和肤浅所吞噬。

The principle of human dignity is the foundation of all the other principles of the natural law.

The important thing in life is not the triumph but the struggle.

The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.

能源转型不仅仅是更换燃料，而是转变整个系统和思维方式。

凡是做学问，必须从各个方面都理解透彻，还要更进一步深入理解内在的道理。