我尽量选择能挑战我并让我学到东西的角色。

最好的图画书能为不同年龄段的读者提供不同层次的阅读体验。

解释：处于安全环境时要考虑到可能出现的危险，考虑到危险就会有所准备，事先有了准备就可以避免祸患。

Leadership is solving problems. The day soldiers stop bringing you their problems is the day you have stopped leading them.

True happiness comes from doing what you love.

我们必须投资于下一代农民——他们掌握着粮食的未来。