Physical concepts are free creations of the human mind, and are not, however it may seem, uniquely determined by the external world.

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

Remember your humanity, and forget the rest.

Hope is a garden where dreams grow like flowers.

Few of us ever live in the present. We are forever anticipating what is to come or remembering what has gone.

Don't be afraid to try again everyone goes south every now and then.

And I also trust that there's more than one way to do something.

If you're trying to make someone happy, you gotta try and make them happy.

I never really knew about my ancestors until this year, when I learned that the name Cobain was Irish. My parents had never bothered to find that stuff out.

Don't you think it's sometimes wise not to grow up.

I feel like I'm 11 again, with my drums. It doesn't matter if it's good or bad. I'm just playing.

We must move into the universe. Mankind must save itself. We must escape the danger of war and politics. We must become astronauts and go out into the universe and discover the God in ourselves.