实现明天理想的唯一障碍是今天的疑虑。

我拥有你所想象的最有特权的童年，我有幸在贫困中被抚养长大。

The measure of intelligence is the ability to change.

任何一个时代的统治思想始终都不过是统治阶级的思想。

The only thing that bothers me about my buildings is that they are not good enough.

The concept of computational efficiency is central to the design of learning algorithms.