Every man has a right to utter what he thinks truth and every other man has a right to knock him down for it. Martyrdom is the test.
To keep your secret is wisdom but to expect others to keep it is folly.
Tell the truth work hard and come to dinner on time.
Obviously our children who have been playing with their computers since the age of five or six don't have quite the same brain as those who were brought up on wooden or metal toys whose brains are certainly atrophied by comparison.