And for a disciple thus ...

And for a disciple thus freed, in whose heart dwells peace, there is nothing to be added to what has been done, and naught more remains for him to do. Just as a rock of one solid mass remains unshaken by the wind, even so, neither forms, nor sounds, nor odors, nor tastes, nor contacts of any kind, neither the desired, nor the undesired, can cause such an one to waver. Steadfast is his mind, gained is deliverance.
And for a disciple thus freed, in whose heart dwells peace, there is nothing to be added to what has been done, and naught more remains for him to do. Just as a rock of one solid mass remains unshaken by the wind, even so, neither forms, nor sounds, nor odors, nor tastes, nor contacts of any kind, neither the desired, nor the undesired, can cause such an one to waver. Steadfast is his mind, gained is deliverance.
 Gautama Buddha

Quotes from the same author

Those who attempt to conquer hatred by hatred are like warriors who take weapons to overcome others who bear arms. This does not end hatred, but gives it room to grow. But, ancient wisdom has advocated a different timeless strategy to overcome hatred. This eternal wisdom is to meet hatred with non-hatred. The method of trying to conquer hatred through hatred never succeeds in overcoming hatred. But, the method of overcoming hatred through non-hatred is eternally effective. That is why that method is described as eternal wisdom.
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 Gautama Buddha
If one man kills a hundred men, and another man masters himself, the second man is the much greater warrior.
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 Gautama Buddha
The no-mind not-thinks no-thoughts about no-things.
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 Gautama Buddha
A wise man, recognizing that the world is but an illusion, does not act as if it is real, so he escapes the suffering.
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 Gautama Buddha
Like the mother of the world, touch each being as your beloved child.
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 Gautama Buddha