数学的快乐来自于为理解而奋斗。
The joy of mathematics comes from the struggle to understand.
释义:如果田地没成熟就收获,还不如不种;如果养育的孩子不学好,还不如没有。
When someone is nasty, rude, hateful, or mean with you, pretend they have a disease. That makes it easier to have empathy toward them which can soften the conflict.