数学的美在于它简化复杂问题的能力。
The beauty of mathematics lies in its ability to simplify complex problems.
In business, as in life, you have to trust your instincts and take calculated risks.
阈限性是两个阶段之间的过渡状态,个体不再处于前一个状态,但尚未进入下一个状态。
贪心不足蛇吞象,知足才能心安。