Columbus found a world, and had no chart save one that Faith deciphered in the skies.

Nietzsche said that the earth has been a madhouse long enough. Without contradicting him we might perhaps soften the expression, and say that philosophy has been long enough an asylum for enthusiasts.

The profoundest affinities are those most readily felt, and though a thousand later considerations may overlay and override them, they remain a background and standard for all happiness. If we trace them out we succeed.

We are not compelled in naturalism, or even in materialism, to ignore immaterial things; the point is that any immaterial things which are recognized shall be regarded as names, aspects, functions, or concomitant products of those physical things among which action goes on.

The profoundest affinities are those most readily felt.

Skepticism, like chastity, should not be relinquished too readily.

The works of nature first acquire a meaning in the commentaries they provoke.