Everything is bilateral in the domain of thought. Ideas are binary. Janus is the myth of criticism and the symbol of genius. Only God is triangular! – Honore de Balzac
Thought is a kind of opium; it can intoxicate us, while still broad awake; it can make transparent the mountains and everything that exists. – Henri Frederic Amiel
For age is opportunity no less than youth itself, though in another dress, and as the evening twilight fades away, the sky is filled with stars, invisible by day. – Henry Wadsworth Longfellow