(noun) That which is permanent or invariable.
"You are constantly invited to be what you are."
"My weight fluctuates constantly. I don't really take good care of myself. I just sort of exist and survive."
"All of life is a constant education."
"We are constantly invited to be what we are."
"Times and conditions change so rapidly that we must keep our aim constantly focused on the future."
"Forgiveness is not an occasional act, it is a constant attitude."
"Be slow to fall into friendship, but when you are in, continue firm and constant."
"Therefore, just as water retains no constant shape, so in warfare there are no constant conditions."