We must always change, renew, rejuvenate ourselves; otherwise we harden.

Things of this world are in so constant a flux, that nothing remains long in the same state.

Progress is impossible without change, and those who cannot change their minds cannot change anything.

Charity degrades those who receive it and hardens those who dispense it. All that is not a true change will disappear in the future society.

Anger, resentment and jealousy doesn’t change the heart of others—it only changes yours.

He who has so little knowledge of human natures as to seek happiness by changing anything but his own disposition will waste his life in fruitless efforts.

The greatest revolution of our generation is the discovery that human beings, by changing the inner attitudes of their minds, can change the outer aspects of their lives.

Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.

All fixed set patterns are incapable of adaptability or pliability. The truth is outside of all fixed patterns.

What is conservatism? Is it not adherence to the old and tried, against the new and untried?