याज्ञवल्क्य - विद्या तपः वृत्ति

न विद्यया केवलया तपसा वाऽपि पात्रता ।
यत्र वृत्तमिमे चोभे तद्दि पात्रं प्रकीर्तितम् ॥

- याज्ञवल्क्य

One does not become eligible (for anything) just being educated or having done some penance. One must have good character to augment the other two.

- Yajnavalkya