Imagination is the beginning of creation. You imagine what you desire, you will what you imagine and at last you create what you will.

Marriage is popular because it combines the maximum of temptation with the maximum of opportunity.

I'm not a teacher: only a fellow-traveller of whom you asked the way. I pointed ahead - ahead of myself as well as you.

Youth is a wonderful thing. What a crime to waste it on children.

You see things; and you say "Why?" But I dream things that never were; and I say "Why not?"

Imagination is the beginning of creation. You imagine what you desire, you will what you imagine and at last you create what you will.

The longer I live the more I see that I am never wrong about anything, and that all the pains that I have so humbly taken to verify my notions have only wasted my time.

This is the true joy in life, the being used for a purpose recognized by yourself as a mighty one; the being thoroughly worn out before you are thrown on the scrap heap; the being a force of Nature instead of a feverish selfish little clod of ailments and grievances complaining that the world will not devote itself to making you happy

A life spent making mistakes is not only more honorable but more useful than a life spent doing nothing.

A lifetime of happiness! No man alive could bear it: it would be hell on earth.

Youth is wasted on the young.