The best way to send information is to wrap it up in a person.

Pragmatism is an intellectually safe but ultimately sterile philosophy.

The optimist thinks this is the best of all possible worlds. The pessimist fears it is true.

I think that all things which evoke discipline: study, and our duties to men and to the commonwealth, war, and personal hardship, and even the need for subsistence, ought to be greeted by us with profound gratitude, for only through them can we attain to the least detachment; and only so can we know peace.

The physicists have known sin; and this is a knowledge which they cannot lose.

There is something irreversible about acquiring knowledge; and the simulation of the search for it differs in a most profound way from the reality.

Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search.