释义：看到已经发生的事情要谨慎对待将要发生的事情，厌恶某种行为轨迹的人必须避开它。害怕危险的人才能平安，害怕灭亡的人才能生存。这是对谨慎行事、防患未然的智慧的强调。
Democracy is the only system that can reflect the human spirit's indomitable will to be free.
一本正经地对待消遣和刻板地追求学问，结果就会成为一个学究。
"The most courageous act is still to think for yourself. Aloud."
Don't cry to quit, cry to keep going.
成功的道路是采取大规模、坚定的行动。
"The only thing necessary for the triumph of evil is for good men to do nothing."