Find out for yourself what is truth, what is real. Discover that there are virtuous things and there are non-virtuous things. Once you have discovered for yourself give up the bad and embrace the good.
The recollected go forth to lives of renunciation. They take no pleasure in a fixed abode. Like wild swans abandoning a pool, they leave one resting place after another.
If you know something hurtful and not true, don't say it. If you know something hurtful and true, don't say it. If you know something helpful but not true, don't say it. If you know something helpful and true, find the right time to say it.
...One who possesses four qualities is deposited in heaven as if brought there. What four? Bodily good conduct, verbal good conduct, mental good conduct, and gratitude or thankfulness. One possessing these four qualities is deposited in heaven as if brought there.
One should follow a man of wisdom who rebukes one for one's faults, as one would follow a guide to some buried treasure. To one who follows such a wise man, it will be an advantage and not a disadvantage.