The State is made for Mankind, not mankind for the state

Education is what is left after you've forgotten everything you've learned.

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

Intuitive powers played a central role in my scientific work, not wild speculation, yet a valued resource when no other approach was available.

The payment of the worker is not determined by the value of his product.

Life is a preparation for the future; and the best preparation for the future is to live as if there were none.

(Reply on what constitutes scientific proof:)"The question is much too difficult for me.