释义：要了解过去和现在，以便灵活应变，适应变化。
每个时代的统治思想总是统治阶级的思想。
Will inertia be your guide， or will you follow your passions？
The true revolutionary is guided by great feelings of love.
Sometimes the most revolutionary act is simply to survive.
每一首歌都有自己的故事。
我不是一个会回头看并想着“我希望我当时做得不同”的人。
Nothing is more precious than independence and liberty.