Conservatism clings to what has been established, fearing that, once we begin to question the beliefs that we have inherited, all the values of life will be destroyed.

It is not impossible to think that the minds of philosophers sometimes act like those of other mortals, and that, having once been determined by diverse circumstances to adopt certain views, they then look for and naturally find reasons to justify these views.

Lastly, literature and philosophy both allow past idols to be resurrected with a frequency which would be truly distressing to a sober scientist.

Wisdom is not to be obtained from textbooks, but must be coined out of human experience in the flame of life.

Let philosophy resolutely aim to be as scientific as possible, but let her not forget her strong kinship with literature.

Cruel persecutions and intolerance are not accidents, but grow out of the very essence of religion, namely, its absolute claims.

Again, both literature and philosophy work by appealing to certain reigning idols.