写给自己的英语文案可以根据个人的需求和目的来定制，以下是一些可能适合的主题和参考文案：

1. 鼓励自己：

- "Believe in yourself and you can achieve anything."

- "You are capable of great things, don't limit yourself."

- "Every day is a new opportunity to chase your dreams."

- "Believe that you are worth it and the world will follow."

2. 激励自己：

- "Success is not final, failure is not fatal: it is the courage to continue that counts."

- "Don't wait for the perfect moment, take the moment and make it perfect."

- "The only way to achieve the impossible is to believe it is possible."

- "Don't be afraid to take risks, the greatest rewards come from taking chances."

3. 放松自己：

- "Take time to breathe and relax, you deserve it."

- "Don't sweat the small stuff, it's just a part of life."

- "Life is too short to be anything but happy."

- "Sometimes you just need to take a break and let life happen."

4. 提醒自己：

- "It's okay to say no and set boundaries."

- "Practice self-care every day, it's not a luxury, it's a necessity."

- "Be mindful of your thoughts and words, they create your reality."

- "Don't compare yourself to others, you are unique and valuable just as you are."