一切生物皆由卵而生。

采石场运营中的每个挑战都是创新和改进的机会。

善于学习的人，能够透彻地知道事情的道理；善于实践的人，能够把事情疑难之处弄清楚。

You can survive almost anything if you can just keep putting one foot in front of the other.

"I try to make my drawings as clear and simple as possible, so that the reader can understand the story without any confusion."

"Mathematics is the music of reason."