I think I tend to destroy the better paintings, or those that have been better to a certain extent. I try and take them further, and they lose all their qualities, and they lose everything. I think I would say that I destroy all the better paintings.

He that hath a wife and children hath given hostages to fortune.

There is no such flatterer as is a man's self.

Observation and experiment for gathering material, induction and deduction for elaborating it: these are are only good intellectual tools.

If we do not maintain justice, justice will not maintain us.

Choose the life that is most useful, and habit will make it the most agreeable.

Reading maketh a full man.