The most reckless sinner against his own conscience has always in the background the consolation that he will go on in this course only this time, or only so long, but that at such a time he will amend. We may be assured that we do not stand clear with our own consciences so long as we determine or project, or even hold it possible, at some future time to alter our course of action.

Upon the progress of knowledge the whole progress of the human race is immediately dependent: he who retards that, hinders this also.

All death in nature is birth, and at the moment of death appears visibly the rising of life. There is no dying principle in nature, for nature throughout is unmixed life, which, concealed behind the old, begins again and develops itself. Death as well as birth is simply in itself, in order to present itself ever more brightly and more like to itself.

My mind can take no hold on the present world, nor rest in it a moment, but my whole nature rushes onward with irresistible force towards a future and better state of being.

The person who doubts there is an external world does not need proof: he needs a cure.

By mere burial man arrives not at bliss; and in the future life, throughout its whole infinite range, they will seek for happiness as vainly as they sought it here, who seek it in aught else than that which so closely surrounds them here - the Infinite

What sort of philosophy one chooses depends, therefore, on what sort of man one is; for a philosophical system is not a dead piece of furniture that we can reject or accept as we wish; it is rather a thing animated by the soul of the person who holds it.