Consumer trust is hard to earn but can be lost in an instant, we must always remember this.

生命、自由和共同礼仪的最坏敌人是完全的无政府状态；它们的第二坏敌人是完全的权力。

Silence is the perfectest herald of joy.

The most important thing in mathematics is to understand the concepts, not just to memorize formulas.

You can't start the next chapter of your life if you keep re-reading the last one.