Great necessity elevates man, petty necessity casts him down

Mysteries are not necessarily miracles.

There is no permanence in doubt; it incites the mind to closer inquiry and experiment, from which, if rightly managed, certainty proceeds, and in this alone can man find thorough satisfaction.

Even the lowliest, provided he is whole, can be happy, and in his own . way, perfect.

I am certain that I have been here as I am now a thousand times before, and I hope to return a thousand times... Man is a dialogue between nature and God. On other planets this dialogue will doubtless be of a higher and profounder character. What is lacking is Self-Knowledge. After that the rest will follow.

We can most safely achieve truly universal tolerance when we respect that which is characteristic in the individual and in nations, clinging, though, to the conviction that the truly meritorious is unique by belonging to all of mankind.

The suffering may be moral or physical; and in my opinion it is just as absurd to call a man a coward who destroys himself, as to call a man a coward who dies of a malignant fever.