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