What, after all, is mathematics but the poetry of the mind, and what is poetry but the mathematics of the heart?

One merit of mathematics few will deny: it says more in fewer words than any other science. The formula, e^iπ = -1 expressed a world of thought, of truth, of poetry, and of the religious spirit "God eternally geometrizes."

What would mathematics have amounted to without the imagination of its devotees-its giants and their followers? There never was a discovery made without the urge of imagination-of imagination which broke the roadway through the forest in order that cold logic might follow.

What, after all, is mathematics but the poetry of the mind, and what is poetry but the mathematics of the heart?