Such is professional jealousy; a scientist will never show any kindness for a theory which he did not start himself. — Mark Twain Copy Share Image
I have been scientifically studying the traits and dispositions of the "lower animals" (so-called,) and contrasting them with the traits and dispositions… — Mark Twain Copy Share Image
One of my theories is that the hearts of men are about alike, no matter what their skin color. — Mark Twain Copy Share Image
It now seems plain to me that that theory ought to be vacated in favor of a new and truer one...the Descent… — Mark Twain Copy Share Image
You cannot have a theory without principles. Principles is another name for prejudices. — Mark Twain Copy Share Image
Such is professional jealousy; a scientist will never show any kindness for a theory which he did not start himself. There is… — Mark Twain Copy Share Image
That is the way of the scientist. He will spend thirty years in building up a mountain range of facts with the… — Mark Twain Copy Share Image
Scientists have odious manners, except when you prop up their theory; then you can borrow money off them. — Mark Twain Copy Share Image
The primary rule of business success is loyalty to your employer. That's all right as a theory. What is the matter with… — Mark Twain Copy Share Image
Sing like no one's listening, love like you've never been hurt, dance like nobody's watching, and live like its heaven on earth. — Mark Twain Copy Share Image
If you had made the acquiring of ignorance the study of your life, you could not have graduated with higher honor than you could… — Mark Twain Copy Share Image
“The Creator sat upon the throne, thinking. Behind him stretched the illimitable continent of heaven, steeped in a glory of light and color; before… — Mark Twain Copy Share Image
A man accustomed to American food and American domestic cookery would not starve to death suddenly in Europe, but I think he would gradually… — Mark Twain Copy Share Image
I never write Metropolis for seven cents because I can get the same price for city. I never write policeman because I can get… — Mark Twain Copy Share Image
The higher animals get their teeth without pain or inconvenience. Man gets his through months and months of cruel torture; he will never get… — Mark Twain Copy Share Image
“As far as I can see, Italy, for fifteen hundred years, has turned all her energies, all her finances, and all her industry to… — Mark Twain Copy Share Image
Begin with the determination to succeed and the work is half done already. — Mark Twain Copy Share Image
Many public-school children seem to know only two dates—1492 and 4th of July; and as a rule they don't know what happened on either… — Mark Twain Copy Share Image
