I'll try anything once, twice if I like it, three times to make sure.

When it comes down to it, I let them think what they want. If they care enough to bother with what I do, then I'm already better than them.

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

My dear friend, clear your mind of cant.

The biggest adventure you can ever take is to live the life of your dreams.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.

I'd rather be an optimist and a fool than a pessimist and right.

The secret to creativity is knowing how to hide your sources.

I do not care so much what I am to others as I care what I am to myself.

You need a little bit of insanity to do great things.

I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.

The way to become rich is to put all your eggs in one basket and then watch that basket.

When all is said and done, more is said than done.

No matter what people tell you, words and ideas can change the world.

There is no refuge from confession but suicide; and suicide is confession.

Life is entrusted to man as a treasure which must not be squandered, as a talent which must be used well.

Be yourself, let you come through.

There is only one corner of the universe you can be certain of improving, and that's your own self.

To attain the impossible, one must attempt the absurd.

When you're curious, you find lots of interesting things to do.

To succeed in your mission, you must have single-minded devotion to your goal.