When it is not necessary to change
The only way to make sense out of change is to plunge into it, move with it, and join the dance.
Very often a change of self is needed more than a change of scene.
change of self, change of scene
They must often change, who would be constant in happiness or wisdom.
change, constant, happiness, wisdom
A small group of thoughtful people could change the world. Indeed, it's the only thing that ever has.
If you change the way you look at things, the things you look at change.
CHANGE, IF YOU CHANGE THE WAY YOU LOOK AT THINGS
They must often change, who would be constant in happiness or wisdom.
CHANGE, CONSTANT IN HAPPINESS OR WISDOM