Oh, Spring is surely coming, Her couriers fill the air; Each morn are new arrivals, Each night her ways prepare; I scent her fragrant garments, Her foot is on the stair.

Science has done more for the development of western civilization in one hundred years than Christianity did in eighteen hundred years.

There tends to be this comfortable assumption that nuclear weapons won't be used, but I don't think that's warranted, and I think we should seize the opportunity of this time of stability and cooperation and move towards global elimination of nuclear weapons as indeed people like Henry Kissinger, and William Perry, former Secretary of Defense under Clinton, and Sam Nunn, former Senator, and George Schultz, former Undersecretary of State for Ronald Reagan. All of them recently called for achievement of a nuclear weapon-free world.

Science makes no claim to infallibility; it leaves that claim to be made by theologians.

Every walk to the woods is a religious rite, every bath in the stream is a saving ordinance. Communion service is at all hours, and the bread and wine are from the heart and marrow of Mother Earth.

He who marvels at the beauty of the world in summer will find equal cause for wonder and admiration in winter.

If you want to see birds, you must have birds in your heart.