The good (shreya) is one thing, the pleasant (preya) is another — both, of different aims, bind a person. Of these, well is it with him who chooses the good; he who chooses the pleasant falls short of the goal.
Katha Upanishad
कठोपनिषद्
मूल श्लोकः
अन्यच्छ्रेयोऽन्यदुतैव प्रेय-स्ते उभे नानार्थे पुरुषꣳ सिनीतः। तयोः श्रेय आददानस्य साधु भवति हीयतेऽर्थाद्य उ प्रेयो वृणीते॥
anyac chreyo 'nyad utaiva preyas te ubhe nānārthe puruṣaṁ sinītaḥ tayoḥ śreya ādadānasya sādhu bhavati hīyate 'rthād ya u preyo vṛṇīte
KaU 2.1