If the aim of physical theories is to explain experimental laws, theoretical physics is not an autonomous science; it is subordinate to metaphysics.

The history of science alone can keep the physicist from the mad ambitions of dogmatism as well as the despair of pyrrhonian scepticism.

The physicist can never subject an isolated hypothesis to experimental test, but only a whole group of hypotheses.

What you believe you can receive if you doubt it you will do without it.

Arise my friend, Awake my friend and work for humanity, not to make it sophisticated, but to make it peaceful first.

How we think is so important. There has to be a time when we stop just dealing with life and think about enjoying it.

It makes me feel like a woman. It makes me feel that all the things about my body are suddenly there for a reason. It makes you feel round and supple, and to have a little life inside you is amazing.

The observer listens to nature: the experimenter questions and forces her to reveal herself.

Tennis belongs to the individualistic past - a hero, or at most a pair of friends or lovers, against the world.

I take a slow sip of lukewarm coffee, reopen the book, and read the words scribbled in red ink near the top: Everyone needs an olly-olly-oxen-free.

The same principle leads us to neglect a man of merit that induces us to admire a fool. [Fr., Du meme fonds dont on neglige un homme de merite l'on sait encore admirer un sot.]

We leave unmolested those who set the fire to the house, and prosecute those who sound the alarm.

All growth, progress, well - being, or degradation is but relative.