The highest wisdom has but one science-the science of the whole-the science explaining the whole creation and man's place in it.

Lay me down like a stone oh God, and raise me up like a new bread".

In our day the feeling of patriotism is an unnatural, irrational, and harmful feeling, and a cause of a great part of the ills from which mankind is suffering, and that, consequently, this feeling - should not be cultivated, as is now being done, but should, on the contrary, be suppressed and eradicated by all means available to rational men.

Can it be that I have overlooked something, that there is something which I have failed to understand? Is it not possible that this state of despair is common to everyone?

One of the first conditions of happiness is that the link between Man and Nature shall not be broken.

It is not enough to be a hardworking person. Think: what do you work at?

My principal sin is doubt. I doubt everything, and am in doubt most of the time.