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.

Learn to attack things frontally but according to the most scientific methods.

Architecture, of all the arts, is the one which acts the most slowly, but the most surely, on the soul.

Whatever we read from intense curiosity gives us a model of how we should always read.

Americans cannot realize how many chances for mental improvement they lose by their inveterate habit of keeping six conversations when there are twelve in the room.

Ideas are the root of creation.