14.Journalists should beware of describing academic findings as though they are irrefutable or suggesting that tentative correlations are magic solutions.
18.No other firm base is there under heaven, for let them beware of the fallacious light of sentiment; too often used as a softer phrase for sensuality.
19.I used to think I could teach young people the whole of life, but I know better now, and all my teaching of George has come down to this: beware of muddle.
20.During the American War of Independence and later during World War I, soldiers were advised to wear their rucksacks on their backs while sleeping to keep them on their side and avoid sleeping on their backs.