In times of crisis, true leadership is defined by the ability to make tough decisions with clarity and conviction.
要理解一个人，你必须先理解他们的沉默。
The world loved man when he smiled. The world became afraid of him when he laughed.
The beauty of mathematics is that it is eternal, it doesn't change.
I have never made but one prayer to God， a very short one: 'O Lord， make my enemies ridiculous.' And God granted it.
Your time is limited, so don't waste it living someone else's life.