以下是樂觀的金句的英文:
1. "Life is like a box of chocolates, you never know what you're gonna get." - Dr. Seuss
2. "Be positive, believe in the sunshine, and the rain will pass."
3. "No matter how dark it gets, there's always a light at the end of the tunnel."
4. "Life is like a beautiful painting, always look for the bright side."
5. "It's not the size of the wave, but the direction of the boat."
6. "When life gives you lemons, make lemonade."
7. "Optimism is the sunshine of the soul."
請注意,這只是其中一些示例,表達樂觀的金句有很多,您可能需要根據語境和需求進行選擇。