It is better to wear out than to rust out.
A sympathetic Scot summed it all up very neatly in the remark, "You should make a point of trying every experience once, excepting incest and folk dancing."
Realize that true happiness lies within you. Waste no time and effort searching for peace and contentment and joy in the world outside. Remember that there is no happiness in having or in getting, but only in giving. Reach out. Share. Smile. Hug. Happiness is a perfume you cannot pour on others without getting a few drops on yourself.
Misquotations are the only quotations that are never misquoted.
I ended up stepping on her stomach as the crowd pushed me past her, but by then I don't think she was feeling anything.
You can't just ask customers what they want and then try to give that to them. By the time you get it built, they'll want something new.
Get away from the crowd when you can. Keep yourself to yourself, if only for a few hours daily.