Old beliefs as well as old habits die hard. For centuries people believed Aristotle's opinion that the heavier an object, the faster it would fall to earth.
I am not an engineer, but according to a report I read, in 1589 Galileo challenged Aristotle's teaching. He invited learned professors to the base of the Leaning Tower of Pisa. Galileo went to the top of the tower and at exactly the same moment pushed off a ten-pound and a one-pound weight.
Both landed at the same instant, but the professors still wouldn't believe what they saw. They insisted Aristotle was right.
To move ahead in life and to grow—intellectually, emotionally and spiritually—it is important that we examine all our beliefs, test them, hold to the true and discard the false. Admittedly, this is much easier said than done, but done it must be if we are to keep learning and growing. Unless we are open and willing to change when necessary, we get stuck in our ways and cease to grow.
-rwi
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