释义:帮助别人,别人未必能变得富裕,而自己却可能因此陷入贫困。
能够弯曲的心灵是幸运的,因为它永远不会破碎。
You must change nothing in your writing without absolute necessity. If it is necessary, then change with simplicity.
The most profound ideas in mathematics often arise from the simplest observations.