Robert Lee Frost (March 26, 1874 – January 29, 1963) was an American poet. His work was initially published in England before it was published in the United States. Known for his realistic depictions of rural life and his command of American colloquial speech, Frost frequently wrote about settings from rural life in New England in the early twentieth century, using them to examine complex social and philosophical themes.
You may find more from Robert Frost on Wikiquote
The decent moderation of today will be the least of human things tomorrow. At the time of the Spanish Inquisition, the opinion of good sense . . . was that people ought not to burn too large a number of heretics; extreme and unreasonable opinion demanded that they should burn none at all.