During the Second World War, the Germans took four years to build the Atlantic Wall. On four beaches it held up the Allies for about an hour; at Omaha it held up the U.S. for less than one day. The Atlantic Wall must therefore be regarded as one of the greatest blunders in military history.Stephen Ambrose, D-Day, page 577
Until you have learned to be tolerant with those who do not always agree with you until you have cultivated the habit of saying some kind word of those whom you do not admire until you have formed the habit of looking for the good instead of the bad there is in others, you will be neither successful nor happy.Napolean Hill
In what concerns you much, do not think that you have companions know that you are alone in the world.Henry David Thoreau
When times are good, be happy, but when time are bad consider; God has made the one as well as the other.Bible, Ecclesaistes 7:14
Perhaps I know best why it is man alone who laughs; he alone suffers so deeply that he had to invent laughter.Friedrich Nietzsche
Nothing more dangerous than a friend without discretion even a prudent enemy is preferable.Jean de La Fontaine
No use to shout at them to pay attention. If the situations, the materials, the problems before the child do not interest him, his attention will slip off to what does interest him, and no amount of exhortation of threats will bring it back.
What may be done at any time will be done at no time.
It is no measure of health to be well adjusted to a profoundly sick society.