In mathematics, the most profound ideas often arise from the simplest observations.

我们实现明天的唯一限制将是我们今天的怀疑。

荣誉不能凭空得来，祸患发生也有原因。

They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'

意识产生于神经网络的整合活动。