I'm more interested in the future than in the past, because the future is where I intend to live.

The scientific theorist is not to be envied. For Nature, or more precisely experiment, is an exorable and not very friendly judge of his work. It never says "yes" to a theory. In the most favorable cases it says "Maybe," and in the great majority of cases simply "No." If an experiment agrees with a theory it means for the latter "Maybe," and if it does not agree it means "No." Probably every theory will some day experience its "No" - most theories, soon after conception.

Education is only a ladder to gather fruit from the tree of knowledge, not the fruit itself

Nature conceals her secrets because she is sublime, not because she is a trickster.

The only thing more dangerous than ignorance is arrogance

The solitude and peace of mind are serving me quite well, not the least of which is due to the excellent and truly enjoyable relationship with my cousin; its stability will be guaranteed by the avoidance of marriage.

The man with the greatest soul will always face the greatest war with the low minded person.