“But man has still another powerful resource: natural science with its strictly objective methods.”

“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...”

“Tess was awake before dawn at the marginal minute of the dark when the grove is still mute, save for one prophetic bird who sings with a clear-voiced conviction that he at least knows the correct ...”

“Our wings serve as flippers that carry us across the ocean; not in the sky!Why, us penguins have so much fun time in the water, we don't even want to fly!”

“The dead never truly die. They simply change form.”

“You might as well make yourself fly as to make yourself love.”

“Those who don't jump will never fly.”

“In this world of ours, the sparrow must live like a hawk if he is to fly at all.”