Love is the mother of love.

爱产生爱情。

Love makes the world go round.

爱情使世界运转。

Love is the reward of love.

爱情就是爱的报答。

Love is the touchstone of virtue.

爱情是美德的试金石。

Love makes all hard hearts gentle.

爱情把一切冷酷的心变得温柔。

Love makes one fit for any work.

爱情使人适合任何工作。

Love should not be all on one side.

爱情不应是单方面的。

Love makes all equal.

恋爱不分贵贱。

Love is like the moon; when it does not increase it decreases.

爱情像月亮，不营即亏。

Lovers live by love, as larks live by leeks.

情侣靠爱情生活，正像云雀靠韭葱生活一样。