I never regret my choices because that's my life.
The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.
To be happy is only to have freed one's soul from the unrest of unhappiness.
语言是一种皮肤:我用我的语言摩擦对方。就好像我有的是词语而不是手指,或者我的词语尖端有手指。