Learn as much by writing as by reading.
Power corrupts, and absolute power corrupts absolutely.
Power tends to corrupt and absolute power corrupts absolutely.
The long term versus the short term argument is one used by losers.
History is not a burden on the memory but an illumination of the soul.
To be able to look back upon one's past life with satisfaction is to live twice.
Liberty is not the power of doing what we like, but the right to do what we ought.
There is no error so monstrous that it fails to find defenders among the ablest men.
Be not content with the best book; seek sidelights from the others; have no favourites.