实现明天的唯一限制将是我们今天的疑虑。
The only limit to our realization of tomorrow will be our doubts of today.
我从来都不是天生的,我所做的只是不断尝试。
The mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.
我为什么要站到这儿,我站到讲台上,是想提醒我自己我们必须时刻用不同的眼光来看待事物。