I have the courage to be mistaken.

The more certain our knowledge the less we know.

...if the fear of falling into error is the source of a mistrust in Science, which in the absence of any such misgivings gets on with the work itself and actually does know, it is difficult to see why, conversely, a mistrust should not be placed in this mistrust, and why we should not be concerned that this fear of erring is itself the very error.

The people will learn to feel the dignity of man. They will not merely demand their rights, which have been trampled in the dust, but themselves will take them - make them their own.

In the case of various kinds of knowledge, we find that what in former days occupied the energies of men of mature mental ability sinks to the level of information, exercises, and even pastimes for children; and in this educational progress we can see the history of the world's culture delineated in faint outline.

Beauty is merely the Spiritual making itself known sensuously.

The history of the world is none other than the progress of the , consciousness of freedom.