你必须足够坚强才能独自站立,足够聪明才能知道何时需要帮助,足够勇敢才能寻求帮助。
Your group can achieve great things way beyond your means simply by showing people that they are appreciated.
我们不应承认自然事物的原因多于那些既真实又足以解释其现象的原因。