The doctor of the future will give no medicine but will instruct his patient in the care of the human frame, in diet, and the causes and prevention of disease.

Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced. 

The relationship between husband and wife should be one of closest friends.

The power of man has grown in every sphere, except over himself.

We are what our thoughts have made us; so take care about what you think. Words are secondary. Thoughts live; they travel far.

There are a terrible lot of lies going about the world, and the worst of it is that half of them are true.

Innovation distinguishes between a leader and a follower.

The man who will use his skill and constructive imagination to see how much he can give for a dollar, instead of how little he can give for a dollar, is bound to succeed. 

A great man is different from an eminent one in that he is ready to be the servant of the society.

Appearance is something absolute, but reality is not that way - everything is interdependent, not absolute. So that view is very helpful to maintain a peace of mind because the main destroyer of a peaceful mind is anger.

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.

There are two ways to live: you can live as if nothing is a miracle; you can live as if everything is a miracle.