Music can change the world because it can change people.
— Bono

Change your opinions, keep to your principles; change your leaves, keep intact your roots.
— Victor Hugo

When wind of changes are blowing, some people will build walls - some will build windmills.
— Chinese Proverbs

No matter what people tell you, words and ideas can change the world.
— Robin Williams

I don't need a friend who changes when I change and who nods when I nod; my shadow does that much better.
— Plutarch