A father's death is the most important event, the more heartbreaking and poignant loss in a man's life.

A strong egoism is a protection.

I am actually not at all a man of science, not an observer, not an experimenter, not a thinker. I am by temperament nothing but a conquistador

Civilized society is perpetually menaced with disintegration through this primary hostility of men towards one another.

One thing only do I know for certain and that is that man's judgments of value follow directly his wishes for happiness-that, accordingly, they are an attempt to support his illusions with arguments. [p.111]

Flowers are restful to look at. They have neither emotions nor conflicts.

It is a mistake to believe that science consists in nothing but conclusively proved propositions, and it is unjust to demand that it should. It is a demand made by those who feel a craving for authority in some form to replace the religious catechism by something else, even a scientific one.