If another Messiah was born he could hardly do so much good as the printing-press.

A book is a mirror: if an ape looks into it an apostle is hardly likely to look out.

The writer who cannot sometimes throw away a thought about which another man would have written dissertations, without worry whether or not the reader will find it, will never become a great writer.

The great rule: If the little bit you have is nothing special in itself, at least find a way of saying it that is a little bit special.

To write brashly about some things, it is almost necessary not to know much about them.

What we have to discover for ourselves leaves behind in our mind a pathway that can be used on another occasion.

Some people feel with their heads and think with their hearts.