Thomas Henry Huxley

"There is one escape from this despair, and that is the future."

"The beauty of the physical world lies in the details as much as in the whole."

"A man is not bound to succeed; but he is bound to let the truth be known."

"Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen."

"The great thing about the human spirit is that it can overcome anything."

"In the long run there is no luck in politics; there is only law."

"The great tragedy of Science is the slaying of a beautiful hypothesis by an ugly fact."

"Perhaps the most valuable result of all education is the ability to make yourself do the thing you have to do, when it ought to be done, whether you like it or not."

"It is not who is right, but what is right, that is of importance."

"The deepest sin against the human mind is to believe things without evidence."

"Man's place in nature is neither the highest nor the lowest, but somewhere in between."

"Try to get the clear picture of nature's plan, even if you can only grasp a small part of it."

"Liberal education makes not the good craftsman, but the good man and citizen."

"The only knowledge which is really interesting to men is knowledge which relates to themselves."

"There is the greatest practical benefit in making a few failures early in life."

"Scientific investigation is not a sort of gladiatorial combat between man and nature."

"If a little knowledge is dangerous, where is the man who has so much as to be out of danger?"

"The method of scientific investigation is nothing but the expression of the necessary mode of working of the human mind."

"To a man, everything depends on his power of adaptation."

"The world is made up of those who make things happen, those who watch things happen, and those who wonder what happened."

"The deepest principle of human nature is the craving to be appreciated."

"Memory is the most sensitive and selective of our mental faculties."

"It is wrong to use the Bible as though it were a handbook for science."

"Earnestness is the only thing that counts in the long run."

"The improver of natural knowledge absolutely refuses to acknowledge authority."

"Logical consequences are the scarecrows of fools and the beacons of wise men."

"I have always been of opinion that if people would but leave children to do as they like they would very little exceed the bounds of prudence."

"The great end of life is not knowledge but action."

"Don't pretend to be an expert on matters you know nothing of."

"A man is as much a part of nature as any other creature that lives upon the earth."