Sciencecannot resolve moral conflicts, but it can help to more accurately frame thedebates about those conflicts.

Don't beafraid of opposition. Remember, a kite rises against, not with, the wind.

We arejudged by what we finish, not what we start.

The repetition in nature may not be a mere recurrence. It may e a theatrical "encore"

We have no more right to consume happiness without producing it than to consume wealth without producing it

No strength within, no respect without.

Dignity is a matter which concerns only mankind

Any man's death diminishes me, because i am involved in mankind; and, therefore, never tend to know for whom the bell tolls. It tolls for thee.

You gotto be very careful if you don't know where you're going, because you mightnot get there.

Peoplewho can't admit they are part of the problem, will never be part of itssolution.

The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.

Power is the faculty or capacity to act, the strength andpotency to accomplish something. It is the vital energy to make choices anddecisions. It also includes the capacity to overcome deeply embedded habitsand to cultivate higher, more effective ones.