心灵是一个相互作用元素的复合体。
The mind is a complex of interacting elements.
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.
No Human Is Limited as Long as You Have the Desire.
The only thing that can make you a success is your passion.
你希望成为池塘里的鹅卵石，激起改变的涟漪。