爱惜精神，留他日担当宇宙；蹉跎岁月，问何时报答君亲。
爱惜精神以备日后担当大任，虚度时光何以报父母之恩？
解释：最上等的是树立德行，其次是建立功业，再次是创立学说，虽然逝去但业绩长存，这就叫做不朽。
The only thing that’s keeping me alive is the music.
"The only way to learn how to write is to write."
The challenge in computer graphics is to simulate the complexity of the real world with the simplicity of mathematical models.