每个人都有不为世人所知的秘密悲伤;很多时候,我们称一个人冷漠,而他只是悲伤。
Challenges are opportunities in disguise; embrace them with courage.
Topology is the study of the properties of a figure that are unchanged by any deformation.
你必须忠于自己。足够坚强才能忠于自己。足够勇敢才能足够坚强地忠于自己。足够健康才能足够勇敢地足够坚强地从真实的自我中塑造自己。
Never try to discourage thinking, for you are sure to succeed.
生命必须被赋予意义,因为它本身显然没有意义。