Understanding a theory has, indeed, much in common with understanding a human personality. We may know or understand a man's system of dispositions pretty well; that is to say, we may be able to predict how he would act in a number of different situations. But since there are infinitely many possible situations, of infinite variety, a full understanding of a man's dispositions does not seem to be possible.

Every solution of a problem raises new unsolved problems.

With regards to political enemies Plato had a kill-and-banish principle. ... In interpreting it , modern-day Platonists are clearly disturbed by it, even as they make elaborate attempts to defend Plato.

If you can't say it simply and clearly, keep quiet, and keep working on it till you can.

If we wish our civilization to survive we must break with the habit of deference to great men.

Historically speaking all - or very nearly all - scientific theories originate from myths.

I may be wrong and you may be right, and by an effort, we may get nearer to the truth