“Perfect as the wing of a bird may be, it will never enable the bird to fly if unsupported by the air. Facts are the air of science. Without them a man of science can never rise.”

“It has long been known for sure that the sight of tasty food makes a hungry man's mouth water; also lack of appetite has always been regarded as an undesirable phenomenon, from which one might conc...”

“Appetite, craving for food, is a constant and powerful stimulator of the gastric glands.”

“From the described experiment it is clear that the mere act of eating, the food even not reaching the stomach, determines the stimulation of the gastric glands.”

“It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly obs...”

“Perfect as is the wing of a bird, it never could raise the bird up without resting on air. Facts are the air of a scientist. Without them you never can fly. Without them your theories are vain effo...”

“When man will return to nature, nature will return to him.”

“The sky is an enormous man.”

“When the full-grown poet came,Out spake pleased Nature (the round impassive globe, with all its shows of day and night,) saying, He is mine;But out spake too the Soul of man, proud, jealous and unr...”

“It was the truth, and like any truth, it was powerful.”

“Their Silver war is being paid for in Red blood.”

“We've already been killed, all of us. It happened so long ago, we've forgotten it.”

“I don't even know what my natural color is. Natural? What is natural? What is that? I do not believe in totally natural for women. For me, natural has something to do with vegetables”

“It is man's natural sickness to believe that he possesses the truth.”

“The difference between a path and a road is not only the obvious one. A path is little more than a habit that comes with knowledge of a place. It is a sort of ritual of familiarity. As a form, it i...”