The rocks may be hard, but our resolve must be harder.

简单生活，高尚思考：这是通往真正幸福的道路。

The progress of mathematics is measured by the number of problems it can solve.

I don't believe in playing it safe. I believe in taking risks.

If you worried about falling off the bike, you'd never get on.

我的角色不可爱，他们是危险的。