Life is a preparation for the future; and the best preparation for the future is to live as if there were none.

A new idea comes suddenly and in a rather intuitive way, but intuition is nothing but the outcome of earlier intellectual experience.

The genius is in making the complex simple.

Galileo - the father of modern physics - indeed of modern science.

All such action would cease if those powerful elemental forces were to cease stirring within us.

Bureaucracy is the death of all sound work.

For science can only ascertain what is, but not what should be, and outside of its domain value judgments of all kinds remain necessary. Religion, on the other hand, deals only with evaluations of human thought and action: it cannot justifiably speak of facts and relationships between facts.