This is how I learned to love everyone:

I'm a people watcher by nature and empathic, so after years of trying to find a common thread that would connect me to everyone else, I'm finally able to put myself in the state of mind that allows me to love them. It's a conscious decision, however, to push through what I see, hear and feel, and even what I might know about them.

If you want to love everyone, you must love them at the most basic level of all - the level in which they are precisely the same as you - the soul level.

If I ground myself and really look at everyone I see as another soul of light, just like me, choosing to have whatever experience they wanted here on Earth, I can love them. I can love that their soul is a small piece of the greater oversoul that is God, where we all came from. Because when we return to be one with God, so will they, and we will truely all be one. At that level, I can love them.

You have to put aside judging the personality they decided to take on as their experience on Earth. Not always easy. It takes a bit of practice and understanding.

The reason why I bother doing this? Because I heard it was the only way off the wheel of reincarnation. To love at that level is what we are here to learn. And thousands of lifetimes later I think I realize that. Because in loving others, you also learn to love yourself. And if you find yourself hating others, it is a reflection of how you feel about yourself.