One swallow does not make a summer. 一燕不成夏。
one's words reflect one's thinking. 言为心声。
Out of debt, out of danger. 无债一身轻。
Out of office, out of danger. 无官一身轻。
Out of sight, out of mind. 眼不见，心为静。
Patience is the best remedy. 忍耐是良药。
Penny wise, pound foolish. 贪小便宜吃大亏。
Plain dealing is praised more than practiced. 正大光明者，说到的多，做到的少。
Please the eye and plague the heart. 贪图一时快活，必然留下隐祸。
Pleasure comes through toil. 苦尽甘来。
Pour water into a sieve. 竹篮子打水一场空。
Practice makes perfect. 熟能生巧。
Praise is not pudding. 恭维话不能当饭吃。
Praise makes good men better, and bad men worse. 好人越夸越好，坏人越夸越糟。
Prefer loss to unjust gain. 宁可吃亏，不贪便宜。
Prevention is better than cure. 预防胜于治疗。
Pride goes before, and shame comes after. 骄傲使人落后。
Promise is debt. 一诺千金。
Proverbs are the daughters of daily experience. 谚语是日常经验的结晶。
Pull the chestnut out of fire. 火中取栗。
Put the cart before the horse. 本末倒置。
Put your shoulder to the wheel. 鼎力相助。
Reading enriches the mind. 开卷有益。
