知足常樂的英文名言有：
* Happiness is a journey, not a destination.
* For me, the secret of happiness is not in having a lot, but in being satisfied with little.
* Content is the ultimate wealth.
* A contented mind is the greatest blessing a man can enjoy.
* The best way to keep your spirit happy is to keep your body healthy and your mind busy.
* To be happy every day, you need to have a positive mindset and be grateful for what you have.
這些名言都強調了知足的重要性，認為知足是獲得快樂的關鍵。