I think the key to directing is to be open to change.

A balcony or porch needs to be at least 6 feet (2m) deep or it won’t be used.

人工智能的进展不仅仅是关于算法和数据，还涉及理解智能本身的本质。

译文：从古至今英雄人物总是要经历磨难才能成就大业，而娇生惯养之辈总是缺少气概难以成就伟业。赏析：生于忧患，死于安乐。一个人要想成功必定要经历很多痛苦和艰难，如果人太安逸和舒适了，就会丧失斗志。

The scientist is not a person who gives the right answers, he's one who asks the right questions.

Safety must always come first, no matter the cost.

矩阵力学是对经典物理学的彻底背离，但它是解释原子世界所必需的。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.