The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
你受到的约束越多,你就变得越有创造力。
在危机时刻,领导力的真正考验不仅在于度过风暴,还在于在风暴过后变得更强大。
Love is the meaning of life.
The true value of a tree isn't in its board feet, but in its roots and reach.