"Patience is bitter, but its fruit is sweet" — Aristotle

Meekness: Uncommon patience in planning a revenge that is worth while

Source: The Devil's Dictionary (1911)

Beware the fury of a patient man!

Source: The Poetical Works of John Dryden, volume 1

Courage and perseverance have a magical talisman, before which difficulties disappear and obstacles vanish into air.

Source: Orations, Plymouth address (1802)

He who doubts from what he sees will never believe, do what you please

We will now discuss in a little more detail the struggle for existence

Men judge us by the success of our efforts. God looks at the efforts themselves

Aristotle Quote