Thomas Henry Huxley

"Depend upon it, the error of the many lies at the door of the educated few."

"History warns us that it is the customary fate of new truths to begin as heresies and to end as superstitions."

"The most useful property of a title is that it serves to advertise a man's intellectual wares."

"Scepticism is the highest of duties; blind faith the one unpardonable sin."

"The advancement and diffusion of knowledge is the only guardian of true liberty."

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

"Don't hold your children too close or you will stifle their growth. Give them space to develop."

"The greatest good we can do is to make others happy and successful."

"It is the customary fate of new truths to begin as heresies and end as superstitions."

"A man who is afraid of asking the necessary questions has no right to consider himself a scientist."

"Try to understand things; to know things; to grasp the principles that underlie them."

"The beauty of the world lies in the diversity of its forms."

"Patience is the virtue that is most needed to succeed in anything."

"Be very careful about the thoughts you allow your mind to dwell upon."

"Civilization is not inherited; it has to be learned and earned anew by each generation."

"The only evil is ignorance; the only good is knowledge."

"Every great advance in science has issued from a new audacity of imagination."

"We are all too apt to substitute assertion for evidence, and opinion for proof."

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

"One of the unpardonable sins, in the eyes of most people, is for a man to go through life unmarked by any calamity."

"Veracity is the heart of morality, the source of all virtue."

"What greater thing is there for two human souls than to feel that they are joined for life?"

"The rung of a ladder was never meant to rest upon, but only to hold a man's foot long enough to enable him to put the other somewhat higher."

"No one has a right to obstruct another in their struggle for existence."

"The improvement of natural knowledge never leaves us where it found us."

"I know nothing of the future, but I can tell you one thing about the past."

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

"It is not how much we have, but how much we enjoy, that makes happiness."

"Remember that while I am a man of science, I am also a man of faith."

"The only basis for a real civilization is morality."