Right now, many commentators are urging Obama to think small.

现在有很多评论员在敦促奥巴马从小处着眼。

Right now, many commentators are urging Mr. Obama to think small.

当前，很多评论家都在奉劝奥巴马不要过于好高骛远。

The tragedy is that the more you apply a filter to what you wish for and train yourself to think small, the less confident you become in your ability to do anything that matters very much.

你对想做的事情越发顾虑重重，越发习惯于考虑一些负面的东西，你在处理身边事情时就会变得更加缺乏自信，对个人而言，这绝对是一场悲剧。