"How many times it thundered before Franklin took the hint! How many apples fell on Newton's head before he took the hint! Nature is always hinting at us. It hints over and over again. And suddenly we take the hint."

“Before I built a wall I'd ask to know What I was walling in or walling out, And to whom I was like to give offence. Something there is that doesn't love a wall, That wants it down.”

“My apple trees will never get across And eat the cones under his pines, I tell him. He only says, "Good fences make good neighbours."”

“Something there is that doesn’t love a wall, That sends the frozen-ground-swell under it, And spills the upper boulders in the sun; And makes gaps even two can pass abreast.”

“"Men work together," I told him from the heart,"Whether they work together or apart."”

“There was never a sound beside the wood but one, And that was my long scythe whispering to the ground.”

“I do not see why I should e'er turn back, Or those should not set forth upon my track To overtake me, who should miss me here And long to know if still I held them dear. They would not find me changed from him they knew — Only more sure of all I thought was true.”