I think that the philosopher must, for his own purposes, carry methodological strictness to an extreme when he is investigating and pursuing his truths, but when he is ready to enunciate them and give them out, he ought to avoid the cynical skill with which some scientists, like a Hercules at the fair, amuse themselves by displaying to the public the biceps of their technique. What is Philosophy?
Train up a fig-tree in the way it should go, and when you are old sit under the shade of it. Dombey and Son
To improve is to change, so to be perfect is to have changed often. Never Give In!
The separation of psychology from the premises of biology is purely artificial, because the human psyche lives in indissoluble union with the body. Factors Determining Human Behavior
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