In their own words — Georges Lemaître

Veil Nebula

The evolution of the world can be compared to a display of fireworks that has just ended: some few red wisps, ashes and smoke. Standing on a well-chilled cinder, we see the slow fading of the suns, and we try to recall the vanished brilliance of the origin of worlds. — Abbé Georges Lemaître, on the nature of cosmology