True leadership inspires others to achieve more than they thought possible.

可持续性不是一种趋势，而是商业的未来。

The theatre is a place where one has time for the problems of people to whom one would show the door if they came to one's office for a job.

对逻辑形式的研究不仅关乎语言，也关乎世界。

No man is free who is not a master of himself.

向高处攀登的奋斗本身足以充实一个人的心灵。必须想象西西弗斯是幸福的。