change,attitude
Progress is impossible without change, and those who cannot change their minds cannot change anything.
Very often a change of self is needed more than a change of scene.
change of self, change of scene
One must change one's tactics every ten years if one wishes to maintain one's superiority.
one must change, tactics, ten years, wishes, maintain
They must often change, who would be constant in happiness or wisdom.
CHANGE, CONSTANT IN HAPPINESS OR WISDOM
A small group of thoughtful people could change the world. Indeed, it's the only thing that ever has.