实现明天理想的唯一障碍是今天的疑虑。
The only limit to our realization of tomorrow is our doubts of today.
Innovation in oil extraction must go hand in hand with environmental responsibility.
The task of philosophy is not to resolve contradictions but to make them visible.
每个算法都讲述了一个故事，一个从问题到解决方案的步骤叙述。
If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.
Something deeply hidden had to be behind things.