以下是一些開心的英文金句：
1. Smile more, worry less.
多笑，少擔心。
2. Life is like a box of chocolates, you never know what you're gonna get.
生活就像一盒朱古力，你永遠不知道你會得到什麼。
3. Happiness is not something ready made, it comes from your own actions.
快樂不是一件現成的東西，它來自於你自己的行動。
4. Joy is the fruit of service; it is not spread in the air.
快樂是服務的果實，它不是在空氣中傳播。
5. Smile and the world will smile with you.
你對世界微笑，世界也會對你微笑。
6. When you are happy, the world becomes a better place.
當你開心的時候，世界會變得更加美好。
7. Laughter is the best medicine.
笑聲是最好的藥方。
8. Happiness is not something to pursue, it's something to experience along the way.
幸福不是一種需要追求的東西，而是一種途中可以體驗的東西。
希望這些句子能夠幫助您開心起來！