Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.

The probability that we may fail in the struggle ought not to deter usfrom the support of a cause we believe to be just.

Abraham Lincoln

We know less about the sexual life of little girls than of boys. But we need not feel ashamed of this distinction; after all, the sexual life of adult women is a dark continent for psychology.

Sigmund Freud

If you gave someone your heart and they died, did they take it with them? Did you spend the rest of forever with a hole inside you that couldn't be filled?

Jodi Picoult

We are made to persist. That's how we find out who we are.

Tobias Wolff, 'In Pharaoh's Army

There is one rule for the industrialist and that is: Make the best quality of goods possible at the lowest cost possible, paying the highest wages possible.

Henry Ford

Ambition is so powerful a passion in the human breast, that however high we reach we are never satisfied.

Niccolo Machiavelli

Two kinds of gratitude: The sudden kind we feel for what we take; the larger kind we feel for what we give.

Edwin Arlington Robinson

A salesman must also have flexible goals. You may say, I want to sell 10 accounts this week, and you sell five. You're ready to die. But, you tell yourself, Five isn't too bad. You know, next week maybe I'll sell 10.

Curtis Carlson

I am not afraid to say my relationship with my man is important, even vital, to who I am as a person.

Mika Brzezinski

Young people know how important it is for dads to be involved in their lives. As I travel the country and talk with students, some of them tell me that their lives would be totally different if their father was around.

Arne Duncan

Composers shouldn't think too much - it interferes with their plagiarism.

Howard Dietz

One of the great reasons for the popularity of strikes is that they give the suppressed self a sense of power. For once the human tool knows itself a man, able to stand up and speak a word or strike a blow.

Charles Horton Cooley