All that we are is the result of what we have thought; it is founded on our thoughts; it is made up of our thoughts. A man's life is the direct result of his thoughts... We are what we think. All that we are arises with our thoughts. With our thoughts we make the world.
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.
I consider the positions of kings and rulers as that of dust motes. I observe treasures of gold and gems as so many bricks and pebbles. I look upon the finest silken robes as tattered rags. I see myriad worlds of the universe as small seeds of fruit, and the greatest lake on Earth as a drop of oil on my foot.
Believe nothing, O monks, just because you have been told it, or it is commonly believed, or because it is traditional or because you yourselves have imagined it. Do not believe what your teacher tells you merely out of respect for the teacher. But whatsoever, after due examination and analysis, you find to be conducive to the good, the benefit, the welfare of all beings - that doctrine believe and cling to and take as your guide.
When a wise man is advised of his errors, he will reflect on and improve his conduct. When his misconduct is pointed out, a foolish man will not only disregard the advice but rather repeat the same error.