The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
"Every role I take is a piece of my soul that I leave behind."
Be fearless in the pursuit of what sets your soul on fire.
决定你高度的不是你的能力,而是你的态度。
心理活动是有机体与其环境的对话。
Skills and confidence are an unbeatable weapon.