People with a clear sense of identity know who they are and what they stand for. They have a strong sense of self and are not easily swayed by others.

写作是一种保存短暂事物的方式。

All happy families are alike; each unhappy family is unhappy in its own way.

滚动的弹丸，掉落到凹陷之处，便不再滚动了；流传的谣言，到智慧的人那里，便不再流传了。

最好的水产养殖实践是后代无需推翻的做法。

教育是可持续水产养殖实践的基础。