It is not that I believe that there are too many idiots in this world, just that lightning isn't distributed right.

If you tell the truth you do not need a good memory!

I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.

It is wiser to find out than to suppose

An oyster has hardly any more reasoning power than a scientist has; and so it it is reasonably certain that this one jumped to the conclusion that the nineteen million years was a preparation for him; but that would be just like an oyster, which is the most conceited animal there is, except man. And anyway, this one could not know, at that early date, that he was only an incident in a scheme, and that there was some more in the scheme yet.

Most writers regard the truth as their most valuable possession, and therefore are economical in its use.