"Life is full of positive and negative experiences, but the quality of one's life will always depend on the ones that dominate one's focus the most."
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"The quality of your life can only be measured by your beliefs and thoughts."
"The true quality of your life can only be determined by how you frequently feel when you are alone."
"The strength of your mind determines the quality of your life."
"The quality of your life depends on the state of your mental programming."
"Your life can only be as good or as bad as you frequently interpret it to be."