Endurance is patience concentrated.

Thomas Carlyle

No great thing is created suddenly.

Epictetus

First principle: never to let one's self be beaten down by persons or by events.

Marie Curie

The art of love is largely the art of persistence.

Albert Ellis

Even miracles take a little time.

Fairy Godmother; Cinderella

Take time like the river that never grows stale. Keep going and steady. No hurry, no rush.

Rumi