Perspective is, in art, a ghastly mistake which it has taken four centuries to redress.
Perspective is a necessary constraint upon our perception. One must be looking out from somewhere. He who sees everything sees nothing.
Perspective is merely an externalization of your internal state. A man sees in the world what he carries in his heart.
Perspective is a constant constraint on our possibilities. If you are a hammer, you tend to see every problem as a nail.
Perspective is everything — a penny will hide the biggest star in the Universe if you hold it close enough to your eye.
Perspective is a most powerful faculty, allowing us to instantly see, for example, that in the presence of eternity, the mountains are as transient as the clouds.
Perspective is a tool with which we can reorient our basic attitudes toward the world. Instead of being annoyed with roses that have thorns, one should marvel at thorns encircled by roses.