Quote #27173
Our observation of nature must be diligent, our reflection profound, and our experiments exact....
Quote #11472
Energy and persistence conquer all things.
Quote #6987
A mind without instruction can no more bear fruit than can a field, however...
Quote #22635
By and large, I seem to have made more mistakes than any others of...
Quote #25718
At a certain age some people’s minds close up they live on their intellectual...
Quote #12605
Books are the way the dead talk to the living.
Quote #27534
Last week, I went to Philadelphia, but it was closed.
Quote #21393
Of all tyrannies a tyranny exercised for the good of its victims may be...
Quote #13855
The man who makes no mistakes does not usually make anything.
Quote #22617
For rarely are sons similar to their fathers most are worse, and a few...