Certification standards are meaningless without rigorous enforcement.
The secret to living is giving.
The striving to find a meaning in one's life is the primary motivational force in man.
真正的领导力意味着为了更美好的明天而做出艰难的决定。
The uncontrollability of gunpowder teaches me to accept imperfection. 火药的不可控性教会我接受不完美。