安全不是产品的附加功能，而是基石。
The wise man knows how to possess, not only how to get.
成人应该敬畏儿童。
黑云受到光的接吻时，就变成了天上的花朵。
The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life.