A small group of thoughtful people could change the world. Indeed, it's the only thing that ever has.
They must often change, who would be constant in happiness or wisdom.
CHANGE, CONSTANT IN HAPPINESS OR WISDOM
Very often a change of self is needed more than a change of scene.
CHANGE, VERY OFTEN A CHANGE OF ITSELF
Progress is impossible without change, and those who cannot change their minds cannot change anything.
When it is not necessary to change, it is necessary not to change.
When it is not necessary to change
All change is not growth, as all movement is not forward.
change, growth, movement, forward