Evolution pays and that is why there is evolution
A superstition is a premature explanation that overstays its time.
Error held as truth has much the effect of truth. In politics and religion this fact upsets many confident predictions.
Ignorance may find a truth on its doorstep that erudition vainly seeks in the stars.
Nothing cools so fast as undue enthusiasm. Water that has boiled freezes sooner than any other.
A tree nowhere offers a straight line or a regular curve, but who doubts that root, trunk, boughs, and leaves embody geometry?