This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...the requirements of survival and of morality — no clash between making himself able to live and making himself worthy of living; he achieves the second by achieving the first. But there is a c lash, if man holds the renunciation of this earth as the good, the renunciation of life, of mind, of happiness, of self. Under an anti-life morality, man makes himself worthy of living to the ex tent that he makes himself unable to live — and to the extent that he makes himself able to live, he makes himself unworthy of living.

The answer given by many defenders of tradi...
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