Out of the multitude of our sense experiences we take, mentally and arbitrarily, certain repeatedly occurring complexes of sense impression (partly in conjunction with sense impressions which are interpreted as signs for sense experiences of others), and we attribute to them a meaning the meaning of the bodily object.

The work on satisfactory formulation of technical patents was a true blessing for me. It compelled me to be many-sided in thought, and also offered important stimulation for thought about physics. Following a practical profession is a blessing for people of my type. Because the academic career puts a young person in a sort of compulsory situation to produce scientific papers in impressive quantity, a temptation to superficiality arises that only strong characters are able to resist.

I know very well that many scientists consider dowsing as they do astrology, as a type of ancient superstition. According to my conviction this is, unjustified. The dowsing rod is a simple instrument which shows the uncanny reaction of the human nervous system to certain factors which are unknown to us at this time.

One should not pursue goals that are easily achieved. One must develop an instinct for what one can just barely achieve through one’s greatest efforts.

As long as I have any choice in the matter, I shall live only in a country where civil liberty, tolerance and equality of all citizens before the law prevail.

Scarcely anyone who comprehends this theory can escape its magic.

If people would only talk about what they understood, Earth would be a very quiet place.