1 is not prime, by definition. 2 is an unnatural prime, 4 is an unnatural prime, and 6 is an unnatural prime. All other natural primes cannot be unnatural primes.

It is during our darkest moments that we must focus to see the light.

Happiness depends upon ourselves.

Educating the mind without educating the heart is no education at all.

Adventure is worthwhile.

Patience is bitter, but its fruit is sweet.

Love is composed of a single soul inhabiting two bodies.

Education is an ornament in prosperity and a refuge in adversity.

Be a free thinker and don't accept everything you hear as truth. Be critical and evaluate what you believe in.

Knowing yourself is the beginning of all wisdom.

Criticism is something we can avoid easily by saying nothing, doing nothing, and being nothing.

I have very strong feelings about how you lead your life. You always look ahead, you never look back.

I'm not different. I'm not different at all. The wrapping is different but the gift is still the same.

If you are any kind of an artist, then validation . . . can be a result, but you're going to do the work anyway.

It's only when you're forbidden to talk about the future that you suddenly realize how much the future normally occupies the present.

He was listening so I don't remember.

I can look at my books with pleasure from a distance. Four feet is close enough.

I see that the West is beginning to separate the question of nuclear armament from the peaceful use of nuclear energy.

If there wasn't no fight, there wasn't no weekend.

Managers must have the discipline not to keep pulling up the flowers to see if their roots are healthy.

Without the local library in my neighborhood, I don’t think I would have grown up to be a writer or a teacher.