Boys be ambitious.

年轻人应胸怀大志。

2、Man cannot discover new oceans unlehe has courage to lost sight of the shore.——A.GIDE.

人只有鼓起勇气，告别海岸，才能发现新的海洋。——纪德

3、All thing in their being are good for something.

天生我才必有用。

4、Failure is the mother of success.——THOMAS.PAINE

失败乃成功之母——潘恩