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Good friends and excellent teachers - Stick close to them! Wealth and power are fleeting dreams but wise words perfume the world for ages.
The thing is to become a master and in your old age to acquire the courage to do what children did when they knew nothing.
The more you know yourself, the more clarity there is. Self-knowledge has no end - you don't come to an achievement, you don't come to a conclusion. It is an endless river.
He who exercises wisdom, exercises the knowledge which is about God.