I have learned more from my mistakes than from my successes.

The child of trial, to mortality And all its changeful influences given; On the green earth decreed to move and die, And yet by such a fate prepared for heaven.

The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms.

Scientists were rated as great heretics by the church, but they were truly religious men because of their faith in the orderliness of the universe.

Science is a wonderful thing if one does not have to earn one's living at it.

It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.