Learn to attack things frontally but according to the most scientific methods.
Do not read good books-life is too short for that-read only the best.
Most people suspend their judgment till somebody else has expressed his own and then they repeat it.
Ideas are the roots of creation.
The history of the past interests us only in so far as it illuminates the history of the present.
Prejudices subsist in people's imagination long after they have been destroyed by their experience.