A good deal of confusion could be avoided, if we refrained from setting before the group, what can be the aim only of the individual; and before society as a whole, what can be the aim only of the group.
Science is not a sacred cow. Science is a horse. Don’t worship it. Feed it.
[Addressing a group of prospective contributors to an Israeli scientific research program]
We envy only those whom we feel ourselves to be like; we envy only members of our reference group. There are few successes more unendurable than those of our close friends.