Never believe that a few caring people can't change the world. For, indeed, that's all who ever have.
They must often change, who would be constant in happiness or wisdom.
CHANGE, CONSTANT IN HAPPINESS OR WISDOM
You are always free to change your mind and choose a different future, or a different past.
Change your opinions, keep to your principles change your leaves, keep intact your roots.
When it is not necessary to change, it is necessary not to change.
When it is not necessary to change
Loss is nothing else but change, and change is Nature's delight.
loss, change, nature's delight