阅读的行为是一种勇气的行为。
"The act of reading is an act of courage."
The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
Resilience is not just bouncing back; it's learning and growing from challenges.
Great things never come from comfort zones.
The strength of a building is not just in its materials, but in the spirit of the people who use it.
Your most unhappy customers are your greatest source of learning.