The chief cause of human errors is to be found in the prejudices picked up in childhood.

De omnibus dubitandum

Everything is self-evident.

The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once.

I hope that posterity will judge me kindly, not only as to the things which I have explained, but also to those which I have intentionally omitted so as to leave to others the pleasure of discovery.

The chief cause of human errors is to be found in the prejudices picked up in childhood.

Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.