只有通过苦难才能理解生命的深度。

I like to leave space for the reader's imagination to work.

The interplay between discrete mathematics and computer science has been a fertile ground for innovation and discovery.

我存在于天地之间，就如同一枚小石子、一棵小树，存在于大山之间，正以为自身实在渺小，又哪里会自满自负呢！

最好的投资是那些能够创造价值的人，而不仅仅是商业模式。

Neither power nor wealth, only the scepters of art endure.

Nothing is more beautiful than the loveliness of the woods before sunrise.

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.