“Self-development is a contradiction in terms Personal development is the way.”

“Child development does not mean developing your child into the person you think they should be, but helping them develop into the best person they are meant to be.”

“If you wish to achieve worthwhile things in your personal and career life, you must become a worthwhile person in your own self-development.”

“self-development is a higher duty than self-sacrifice.”

“The way to develop self-confidence is to do the thing you fear, and get a record of successful experiences behind you.”

“The end toward which mankind is inexorably developing by the constant overcoming of internal antagonisms is not the enjoyment, ownership, or use of goods, but self-realization, creativity based upon the incorporation into the individual personality of the whole previous development of humanity. Freedom is creative universality, not utility.”