The number of natural hypothesis that can explain any given phenomena is infinite.

Our entire much-praised technological progress, and civilization generally, could be compared to an axe in the hand of a pathological criminal.

The devil has put a penalty on all things we enjoy in life. Either we suffer in our health, or we suffer in our soul, or we get fat.

The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking.

Give back to the world at least what you've received.

When I think of the most able students I have encountered in my teaching - I mean those who have distinguished themselves not only by skill but by independence of thought - then I must confess that all have had a lively interest in epistemology.

The woman who follows the crowd will usually go no further than the crowd. The woman who walks alone is likely to find herself in places no one has ever been before.