a sound mind in a sound body.
健全的精神寓于健康的身体。
a still tongue makes a wise head.
寡言者智。
a stitch in time saves nine.
小洞不补，大洞吃苦。
a straight foot is not afraid of a crooked shoe.
身正不怕影子斜。
a wise head makes a close mouth.
真人不露相，露相非真人。
a word spoken is past recalling.
一言既出，驷马难追。
a year's plan starts with spring.
一年之计在于春。
a young idler, an old beggar.