History of aspirin tree in 1758 and noticed an astringency reminiscent of the standard—and expensive—ague cure of Peruvian bark. He collected, dried, and powdered a substantial amount of willow bark, and over the next five years tested it on a number of people sick with fever and agues. In his letter, Stone reported consistent success, describing willow extract's effects as identical to Peruvian bark, though a little less potent. (In fact, the active ingredient of Peruvian bark was quinine, which attacked the infectious cause of malaria, while the active ingredient of willow extract, salicin, relieved the symptoms of malaria but could not cure
Parable of the Olive Tree original tree that was transplanted into good soil grew to give a mix of good and poor fruit. The master of the vineyard instructed his servant to cut off the branches of this tree that gave poor fruit, and burn them. However, the servant suggested to that master that with further care this tree too might bring forth good fruit. And so the master and his servant worked diligently at nourishing all the trees. After a long time the master and servant returned to the vineyard, and found that all trees, both the original and the transplants, had failed, and