Authors

Grenville Kleiser

Grenville Kleiser was an American author and public-speaking teacher known for books on self-improvement, communication, and personal development. Reliable public details about his life are limited, but his work reflects the quote’s emphasis on discipline, self-control, and character.

Quotes: 1

Quotes by Grenville Kleiser

By constant self-discipline and self-control, you can develop greatness of character. — Grenville Kleiser

Self-Discipline as the Foundation of Character

Grenville Kleiser’s statement presents character not as an inherited gift, but as something built through repeated effort. By pairing “self-discipline” with “self-control,” he emphasizes both the proactive side of person...

Created on: 4/7/2026