You'll find boredom where there is the absence of a good idea.

The greatest thing on earth is a good idea!

The man who succeeds above his fellows is the one who early in life clearly discerns his object, and towards that object habitually directs his powers.

Whenever we're afraid, it's because we don't know enough. If we understood enough, we would never be afraid.

We are all creatures of habit. We can do most things without even thinking about them; our bodies take charge and do them for us.

Real evils can be either cured or endured; it is only imaginary evils that make people anxiety-ridden for a lifetime.

You are now, and you do become, what you think about.