I can calculate the motion of heavenly bodies, but not the madness of people.
I CAN easily conceive, most Holy Father, that as soon as some people learn that in this book which I have written concerning the revolutions of the heavenly bodies, I ascribe certain motions to the Earth, they will cry out at once that I and my theory should be rejected.
To keep the body in good health is a duty... otherwise we shall not be able to keep our mind strong and clear.
Man consists of two parts, his mind and his body, only the body has more fun.
Happiness is beneficial for the body, but it is grief that develops the powers of the mind.
The truth is that we can learn to condition our minds, bodies, and emotions to link pain or pleasure to whatever we choose. By changing what we link pain and pleasure to, we will instantly change our behaviors.
Men go abroad to wonder at the heights of mountains, at the huge waves of the sea, at the long courses of the rivers, at the vast compass of the ocean, at the circular motions of the stars, and they pass by themselves without wondering.
The sword the body wounds, sharp words the mind.
For what Harley Street specialist has time to understand the body, let alone the mind or both in combination, when he is a slave to thirteen thousand a year?
Give me a young man in whom there is something of the old, and an old man with something of the young: guided so, a man may grow old in body, but never in mind.
Clogged with yesterday's excess, the body drags the mind down with it.
My body could stand the crutches but my mind couldn't stand the sideline.
A moving body whose motion was not retarded by any resisting force would continue to move to all eternity.
Now all oscillatory movements of such an electron can be conceived of as being split up into force, and two circular oscillations perpendicular to this direction rotating in opposite directions.
As I approve of a youth that has something of the old man in him, so I am no less pleased with an old man that has something of the youth. He that follows this rule may be old in body, but can never be so in mind.
In a disordered mind, as in a disordered body, soundness of health is impossible.
The universe lies before you on the floor, in the air, in the mysterious bodies of your dancers, in your mind. From this voyage no one returns poor or weary.
True enjoyment comes from activity of the mind and exercise of the body; the two are ever united.
The secret of health for both mind and body is not to mourn for the past, nor to worry about the future, but to live the present moment wisely and earnestly.
Your conscience teaches your mind how to 'think' your heart how to 'feel' your soul how to 'obey' and most importantly your body how to 'perform' extraordinary 'acts' of charity and human kindness. Toward your fellow man.
Breath is the link between mind and body.
We must rather conclude from this that heat itself is a motion, an internal invisible motion of the smallest elementary particles of bodies.
Bodily decay is gloomy in prospect, but of all human contemplations the most abhorrent is body without mind.
Difficulties strengthen the mind, as labor does the body.
The poet gives us his essence, but prose takes the mold of the body and mind.