Read no history--nothing but biography, for that is life without theory.

Never apologize for showing feeling. When you do so, you apologize for the truth.

The secret of success is constancy of purpose.

Cleanliness and order are not matters of instinct; they are matters of education, and like most great things, you must cultivate a taste for them.

Nurture your mind with great thoughts, for you will never go any higher than you think.

Action may not always bring happiness; but there is no happiness without action.

Courage is fire, and bullying is smoke.

One secret of success in life is for a man to be ready for his opportunity when it comes.

Time is precious, but truth is more precious than time.

Never complain and never explain.

Finality is not the language of politics.

Genetic code is a divine writing.

That's the mistake people make - always searching for the perfect match, when they would be just as happy if they settled for somebody reasonably good.

The deepest sleep is meant only for children and perfect fools.

Don’t underestimate the value of irony—it is extremely valuable.

We can all learn from our failures. What I've learned is how much it hurts to fail.

Watching Phil Mickelson play golf is like watching a drunk chasing a balloon near the edge of a cliff.

Ego: The only thing that can keep growing without nourishment.

Your story matters, who you are matters, tonight matters, none of it is an accident. You were born for the blue skies.

Beauty is rather a light that plays over the symmetry of things than that symmetry itself.

My family grew up relying on public assistance to help provide meals for our family. Child hunger in America is a real and often overlooked problem, but one that together, we can fix.