I think making mistakes and discovering them for yourself is of great value, but to have someone else to point out your mistakes is a shortcut of the process.
“The making of friends who are real friends, is the best token we have of a man's success in life.”
“In mid-May, the House of Representatives approved the full amount of money that the Veterans Administration said was needed for next year - plus an additional $1 billion increase for veterans' health care.”