To appreciate the beauty of a snow flake, it is necessary to stand out in the cold.

Men pay most attention to what is their own: they care less for what is common; or, at any rate, they care for it only to the extent to which each is individually concerned.

For example, justice is considered to mean equality, It does mean equality- but equality for those who are equal, and not for all.

Most people would rather give than get affection.

It is through wonder that men now begin and originally began to philosophize; wondering in the first place at obvious perplexities, and then by gradual progression raising questions about the greater matters too.

In inventing a model we may assume what we wish, but should avoid impossibilities.

Whosoever is delighted in solitude is either a wild beast or a god.