They say Rome wasn't built in a day, but I wasn't on that particular job.

No one is free who has not obtained the empire of himself. No man is free who cannot command himself.

Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!

Go on with what your heart tells you, or you will lose all.

If you don't know, the thing to do is not to get scared, but to learn.

We cannot do everything at once, but we can do something at once.

It's the little details that are vital. Little things make big things happen.

Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.

The time is always right to do the right thing

The men who have succeeded are men who have chosen one line and stuck to it.

Status quo, you know, is Latin for 'the mess we're in'.

Our greatest glory is not in never falling but in rising every time we fall.

Perseverance and spirit have done wonders in all ages.

You say I started out with practically nothing, but that isn't correct. We all start with all there is, it's how we use it that makes things possible.

Whatever lifts the corners of your mouth, trust that.

In a conflict between the heart and the brain, follow your heart.

Nothing great was ever achieved without enthusiasm.

Give yourself something to work toward - constantly.

People who say it cannot be done should not interrupt those who are doing it.

There is nothing in a caterpillar that tells you it's going to be a butterfly.

I long to accomplish a great and noble task; but it is my chief duty to accomplish small tasks as if they were great and noble