It is necessary to the happiness of man that he be mentally faithful to himself. Infidelity does not consist in believing, or in disbelieving, it consists in professing to believe what he does not believe.
Thomas Paine

It is not more people that are needed in the world but better people, physically, morally and mentally. This question of raising the quality of our American population must also be taken into account in the question of immigration.
Agnes E. Meyer

It is only because of problems that we grow mentally and spiritually.
M. Scott Peck

It is practically impossible to teach good programming to students that have had a prior exposure to BASIC: as potential programmers they are mentally mutilated beyond hope of regeneration.
Edsger Dijkstra

It was really really neat to make the movie because there were mentally challenged actors in the movie. So that was really really cool to work with them and they were always really happy, and they made everybody really happy on the set too.
Dakota Fanning

Libertarians recognize the difference between adults and children, as well as differences between normal adults and adults who are insane or mentally hindered or retarded.
Tom G. Palmer

Mentally and physically, I find I can play with these people.
Chico Hamilton

Mentally, the only players who survive in the pros are the ones able to manage all their responsibilities.
Tom Brady

My life was falling apart and then to come out and play and have my best ever - 40 wickets, 250 runs... But the only reason I could do that was because of the way I thought and I think I'm pretty strong mentally. I think I am anyway, pretty strong to get over whatever it is.
Shane Warne

My own nature hovers between neurotic and paranoid. I've developed the habit of mentally listing things that make me optimistic about the future. I do it every day.
Martha Beck

No one told me about boys. I had to figure it out myself. The first thing I learned was that sometimes they grow slower than women mentally.
Elena Anaya

Nothing defines the quality of life in a community more clearly than people who regard themselves, or whom the consensus chooses to regard, as mentally unwell.
Renata Adler

Once the fired stone is out of the kiln, it is still possible to mentally reconstruct it in its original form.
Andy Goldsworthy

One out of four people in this country is mentally unbalanced. Think of your three closes friends; if they seem OK, then you're the one.
Ann Landers

People don't realize the amount of stress you put on your body both physically and mentally from just the wear and tear of a season.
Grant Hill

People think that if you have a huge appetite, then you'll be better at it. But actually, it's how you confront the food that is brought to you. You have to be mentally and psychologically prepared.
Takeru Kobayashi

Running for President is physically, emotionally, mentally and spiritually the most demanding single undertaking I can envisage unless it's World War III.
Walter F. Mondale

So long as I can stay mentally alert - inquiring, curious - I want to keep going. I love my wife and my children, but I don't want to sit around at home with them. We go on safaris and things like that. I can do that for a couple of weeks a year. I'm just not ready to stop, to die.
Rupert Murdoch

So you have to be more mentally focused in baseball.
Bo Jackson

So, baseball is probably more physical of the two mentally.
Bo Jackson