Source and decoding - Eruvin 13b
שְׁתֵּי שָׁנִים וּמֶחֱצָה נֶחְלְקוּ בֵּית שַׁמַּאי וּבֵית הִלֵּל. הַלָּלוּ אוֹמְרִים: נוֹחַ לוֹ לְאָדָם שֶׁלֹּא נִבְרָא יוֹתֵר מִשֶּׁנִּבְרָא, וְהַלָּלוּ אוֹמְרִים:
For two and a half years they disputed: one said it is better for man not to have been created, the other that it is better to have been created.
For two and a half years they disputed: one said it is better for man not to have been created, the other that it is better to have been created. They voted and concluded: better not to have been created; but now that he was created, let him examine his deeds - some say: let him weigh his deeds. The conclusion is not despair but a call to responsibility.