I understand the law through the operation of which my own character is developed from my own acts and thoughts; therefore, I will guard with care all that goes into its development.

Success attracts success and failure attracts failure because of the law of harmonious attraction.

Those who succeed in an outstanding way seldom do so before the age of 40. More often, they do not strike their real pace until they are well beyond the age of 50.

FAITH is the head chemist of the mind. When FAITH is blended with the vibration of thought, the subconscious mind instantly picks up the vibration, translates it into its spiritual equivalent, and transmits it to Infinite Intelligence, as in the case of prayer.

You have a tremendous advantage over the man who does you an injury: You have it within your power to forgive him, while he has no such advantage over you.

Napoleon Hill saw this law of transmutation as the seed of equivalent benefit: With every disappointment, heartbreak, or failure, there exists an equal (usually greater) positive benefit.

Fear is the most costly of all the human emotions, even though most fears have no foundation in fact.