I wouldn't say 'most' people are prone to negativity. I think it's probably that most people allow negativity to color their thinking, depending on circumstances, but I also believe most people make the necessary efforts to return to positive thinking as quickly as possible.
Zig ZiglarIn the blink of an eye everything can change. So forgive often and love with all your heart. You may not have that chance again.
Zig ZiglarGod never shuts one door without opening a bigger better door. Hang in there. You are closer to success than you may think.
Zig Ziglar