解析：菩提比喻智慧，明镜比喻清净心。本来清净，又哪里会染上什么尘埃？

实现明天理想的唯一障碍是今天的疑虑。

阅读是不动而旅行；写作是旅行而不动。

写作是一种希望的行为。

Passion is the fuel that drives innovation and success.

I'm more worried about being a good person than being the best football player in the world. When all this is over, what's left is what you've achieved; what kind of person you were.

每一寸山河都像黄金般珍贵，国家分裂的痛苦谁能承受？杜鹃啼血表达对国家的忧虑，精卫填海象征永不放弃的爱国之心。