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To any and all, I have a question: What is the single best piece of advice you have ever been given? This could be anything (stock tip, parental wisdom, etc.), and may have been given to you by anyone--friend, spouse, parent, grandparent, child, etc. But what one piece of advice most strongly and positively affected you or your life? Thanks ahead of time for sharing. (You could share worst advice, too, if you prefer.)

The DidacheThe Lord's Teaching Through the Twelve Apostles to the Nations. Chapter 1. The Two Ways and the First Commandment. There are two ways, one of life and one of death, but a great difference between the two ways. The way of life, then, is this: First, you shall love God who made you; second, love your neighbor as yourself, and do not do to another what you would not want done to you. And of these sayings the teaching is this: Bless those who curse you, and pray for your enemies, and fast for those who persecute you. For...