Time is not measured by the years that pass by, instead by the things you do, feel or accomplish.

When the present is full of gloom, the past becomes haven of refuge that provides relief and inspiration.

Life is like a game of cards. The hand you are dealt is determinism; the way you play it is free will.

When you imitate the enemy's tactics, you take on his liabilities.

Obviously, the highest type of efficiency is that which can utilize existing material to the best advantage.

Science and technology have freed humanity from many burdens and given us this new perspective and great power. This power can be used for the good of all. If wisdom governs our actions; but if the world is mad or foolish, it can destroy itself just when great advances and triumphs are almost without its grasp.

Facts are facts and will not disappear on account of your likes.