You cannot use an ace of spade to win a game of carrom board.

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

Sometimes, success depends upon what you do after failure.

This country, with its institutions, belongs to the people who inhabit it. Whenever they shall grow weary of the existing government, they can exercise their constitutional right of amending it, or exercise their revolutionary right to overthrow it.

God is everywhere.

Today we are engaged in a deadly global struggle for those who would intimidate, torture, and murder people for exercising the most basic freedoms. If we are to win this struggle and spread those freedoms, we must keep our own moral compass pointed in a true direction.

I slept and dreamt that life was joy. I awoke and saw that life was service. I acted and behold, service was joy.

It always seems impossible until it's done.

I was born in Harlem, raised in the South Bronx, went to public school, got out of public college, went into the Army, and then I just stuck with it.

Yes, we've still got more work to do. More work to do for every American still in need of a good job or a raise, paid leave or a decent retirement; for every child who needs a sturdier ladder out of poverty or a world-class education; for everyone who has not yet felt the progress of these past seven and a half years.

We think sometimes that poverty is only being hungry, naked and homeless. The poverty of being unwanted, unloved and uncared for is the greatest poverty. We must start in our own homes to remedy this kind of poverty.

The United States has made serious mistakes in the conduct of its foreign affairs, which have had unfortunate repercussions long after the decisions were taken.