...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.

Public opinion contains all kinds of falsity and truth, but it takes a great man to find the truth in it. The great man of the age is the one who can put into words the will of his age, tell his age what its will is, and accomplish it. What he does is the heart and the essence of his age, he actualizes his age. The man who lacks sense enough to despise public opinion expressed in gossip will never do anything great.

The learner always begins by finding fault, but the scholar sees the positive merit in everything.

In duty the individual acquires his substantive freedom

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

The substance, the essence, the Spirit is freedom.

Science and knowledge, especially that of philosophy, came from the Arabs into the West.