解释：屋顶是否有漏洞，下面的人才知道。

高效算法的开发对于技术和科学的进步至关重要。

Love is space and time measured by the heart.

物理学家的直觉就像复杂荒野中的指南针。

The true revolutionary is guided by a great feeling of love. It is impossible to think of a genuine revolutionary lacking this quality.

永远不要让恐惧决定你的未来。