The awareness of the ambiguity of one's highest achievements (as well as one's deepest failures) is a definite symptom of maturity.
Paul Johannes Tillich
Man's maturity: to have regained the seriousness that he had as a child at play.
Friedrich Nietzsche
To make mistakes is human; to stumble is commonplace; to be able to laugh at yourself is maturity.
William Arthur Ward
Mountaintops inspire leaders but valleys mature them.
Sir Winston Churchill
Maturity consists of no longer being taken in by oneself
Proverb
Maturity is the ability to think, speak and act your feelings within the bounds of dignity. The measure of your maturity is how spiritual you become during the midst of your frustrations.
Samuel Ullman
Maturity is achieved when a person postpones immediate pleasures for long-term values.
Joshua Loth Liebman
Maturity begins to grow when you can sense your concern for others outweighing your concern for yourself.
John MacNaughton
The rate at which a person can mature is directly proportional to the embarrassment he can tolerate.
Douglas Engelbart
I would say that the surest measure of a man's or a woman's maturity is the harmony, style, joy, and dignity he creates in his marriage, and the pleasure and inspiration he provides for his spouse.
Benjamin Spock
Age is the acceptance of a term of years. But maturity is the glory of years.
Martha Graham
Relationships are the hallmark of the mature person.
Brian Tracy
Hold the period of youth sacred to education, and the period of maturity, when the physical forces begin to flag, equally sacred to ease and agreeable relaxation.
Edward Bellamy