咸走血，血病无多食咸。
解释：咸味食物走血分，血病的人不宜多食，说明饮食需根据病症调整。
In the state of nature, profit is the measure of right.
The past is a foreign country; they do things differently there.
因此，乐趣和避免痛苦是立法者所考虑的目标。
每一个实验，无论成功与否，都会教会我们一些有价值的东西。