For everyone who lives on milk is unskilled in the word of righteousness, since he is a child. But solid food is for the mature, for those who have their powers of discernment trained by constant practice to distinguish good from evil. Hebrews 5:13-14 ESV

“He that judges without informing himself to the utmost that he is capable, cannot acquit himself of judging amiss.” An Essay Concerning Human Understanding, John Locke (1632 – 1704)