有机催化的力量在于它经常为复杂问题提供令人惊讶的简单解决方案。
The hardest thing to learn in life is which bridge to cross and which to burn.
"The only limit to our realization of tomorrow will be our doubts of today."
Words have power, but silence can be stronger.
【解释】幸福不可强求,保持愉快的心情,更能感受到幸福;灾祸难以避免,消除怨恨他人的念头,就能远离灾祸。