成功不是终点，失败也并非致命，重要的是继续前进的勇气。
Success is not final, failure is not fatal: It is the courage to continue that counts.
"A story has no beginning or end: arbitrarily one chooses that moment of experience from which to look back or from which to look ahead."
I refused to let anyone silence me.
Psychological understanding comes from seeing mind in action.
The essence of mathematics lies in its freedom.