The key to success is to keep trying, even when things don't work out the first time.
可持续性始于土壤;如果我们不关心它,其他一切都无关紧要。
"Every saint has a past, and every sinner has a future."
世界会打击每一个人,但经历过后,许多人会在受伤的地方变得更坚强。
User needs are both the starting point and the ultimate goal of product development.