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？

友谊是没有羽翼的爱

The only thing necessary for the triumph of evil is for good men to do nothing.

Breakthroughs happen when you connect the dots others overlook.

我写作是因为我不能尖叫。

The historian's first duty is to tell the truth as he sees it, regardless of whom it pleases or displeases.

专注于方向而不是目的地。谁能知晓自己的命运？但保持正确的方向，你就定会到达你想去的地方。