They must change who would be constant in happiness and wisdom. Confucius
Helped are those who are content to be themselves; they will never lack mystery in their lives and the joys of self-discovery will be constant. Alice Walker
It is a woman's nature to be constant - to love one and one only, blindly, tenderly, and for ever. Anne Brontë
The materials of action are variable, but the use we make of them should be constant. Epictetus
Pleasure and pain, though directly opposite are contrived to be constant companions. Pierre Charron
You can't be scared to die for the truth. The truth is the only thing that is ever going to be constant. Will Smith