Put simply, perspective is the way you see yourself, other people, the world, and what happens to you. It's the foundation of your outlook on life—the source of your attitude—and thus the greatest deciding factor of your general well-being at any given moment in time. That's how it can be everything.
How is everything a perspective?
It is the way we look at those same things differently. Perspective is an art of seeing things. Not the position from where we look at, not just the angle we look at but with the thought we look at…the thought that is accompanied with emotion and empathy. ... When we think positively everything around us taste sweet.
What does it mean put things in perspective?
To “put something in perspective” means to compare with something similar to give a clearer, more accurate idea.