Thou Hast Made It , and Thou Dost Know

I'm not sure where this story originated, but the point is excellent.

"I need oil," said a man, so he planted an olive sapling. "Lord," he prayed, "it needs rain that its tender roots may drink and swell. Send gentle showers." And the Lord sent gentle showers. "Lord," prayed the man, "my tree needs sun. Send sun, I pray thee." And the sun shone, gilding the dripping clouds. "Now frost, my Lord, to brace its tissues," cried the man. And behold, the little tree stood sparkling with frost, but at evening it died.

Then the man sought the abode of a brother, and told his strange experience. "I, too, planted a little tree," the brother said, "and see! It thrives well. But I entrust my tree to its God. He who made it knows better what it needs than a man like me. I laid no condition. I fixed not way or means. 'Lord, send what it needs,' I prayed, 'storm or sunshine, wind, rain, or frost. Thou hast made it Thou dost know.'"