Never give in except to convictions of honor and good sense.

The world today is ruled by harassed politicians absorbed in getting into office or turning out the other man so that not much room is left for debating the great issues on their merits

Attitude is a little thing that makes a big difference.

I do not presume to explain how to paint, but only how to get enjoyment.

The truth is incontrovertible. Malice may attack it, ignorance may deride it, but in the end, there it is.

Un pesimista ve la dificultad en cada oportunidad; un optimista ve una oportunidad en cada dificultad

A pessimist sees problems in opportunities whereas an optimist sees opportunities in problems.