形枉则影曲，形直则影正。
解释：形体弯曲，影子自然就曲；形体正直，影子自然就正。
The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.
The goal of mathematics is not to solve problems, but to understand them.
养儿子不教育和养驴没有什么区别，养女儿不教育也和养猪没什么区别；妻子如果贤惠，丈夫就少遭祸患，儿子如果孝顺，父亲就心情舒畅。
写作是对时间侵蚀的抵抗。