Related:

• The only justification for our concepts and systems of concepts is that they serve to represent the complex of our experience
  beyond this they have not legitimacy. -- Albert Einstein (1879-1955)...
• Mathematics deals exclusively with the relations of concepts to each other without consideration of their relation to experience.
  -- Albert Einstein (1879-1955)...
• Physical concepts are free creations of the human mind, and are not, however it may seem, uniquely determined by the external world.
  -- Albert Einstei...
• Mathematics deals exclusively with the relations of concepts to each other without consideration of their relation to experience.
  -- Albert Einstei...
• The release of atom power has changed everything except our way of thinking.
  ..the solution to this problem lies in the heart of mankind....
• The tar pit of software engineering will continue to be sticky for a long time to come.
  One can expect the human race to continue attempting systems just within or just beyond our reach...
• The tar pit of software engineering will continue to be sticky for a long time to come.
  One can expect the human race to continue attempting systems just within or just beyond our reach...
• There are only two ways in which we can account for a necessary agreement of experience with the concepts of its objec
  either experience makes these concepts possible or these concepts make experience possible....
• We can't form our children on our own concepts; we must take them and love them as God gives them to us.
  -- Johann Wolfgang von Goethe, - from Hermann und Dorothea...