Successful people become great leaders when they learn to shift the focus from themselves to others.
当成功人士学会将焦点从自己转移到他人时，他们就会成为伟大的领导者。
My stomach is a knot of sorrow and anger, but I keep smiling.
在数学中，提出问题的艺术必须比解决问题更有价值。