价格被遗忘后，质量仍会被长久记住。
Quality is remembered long after the price is forgotten.
制革厂的废水是其价值观最真实的衡量标准。
最大的挑战不是科学，而是改变人们的观念。
When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.