Art is not a pleasure, a solace, or an amusement; art is great matter.

Historians are like deaf people who go on answering questions that no one has asked them.

Even in the valley of the shadow of death, two and two do not make six.

Vegetarianism serves as the criterion by which we know that the pursuit of moral perfection on the part of humanity is genuine and sincere.

...the more he did nothing, the less time he had to do anything.

There can be only one permanent revolution- a moral one: the regeneration of the inner man.

Some mathematician said that pleasure lies not in discovering the truth but in searching for it.