“A theory can be proved by experiment; but no path leads from experiment to the birth of a theory.”

“Given the millions of billions of Earth-like planets, life elsewhere in the Universe without a doubt, does exist. In the vastness of the Universe we are not alone.”

“Rejoice with your family in the beautiful land of life.”

“It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing...”

“It is always delightful when a great and beautiful idea proves to be consonant with reality.”

“I only take a half share in the civil war; I am willing to die, I am not willing to kill.”

“The pacifist is as surely a traitor to his country and to humanity as is the most brutal wrongdoer.”

“My study of Gandhi convinced me that true pacifism is not nonresistance to evil, but nonviolent resistance to evil. Between the two positions, there is a world of difference. Gandhi resisted evil with as much vigor and power as the violent resister, but True pacifism is not unrealistic submission to evil power. It is rather a courageous confrontation of evil by the power of love. . . .”

“Wolves and bears, they say, casting their savagery aside, have done like offices of pity.”

“We that are true lovers run into strange capers; but as all is mortal in nature, so is all nature in love mortal in folly.”

“It is a familiar beast to man, and signifies love.”

“This we prescribe, though no physician; Deep malice makes too deep incision; Forget, forgive; conclude and be agreed; Our doctors say this is no month to bleed.”

“Let me have war, say I; it exceeds peace as far as day does night; it's spritely, waking, audible, and full of vent.”

“So, good night unto you all. Give me your hands, if we be friends, and Robin shall restore amends.”