दातृत्वं प्रियवक्तृत्वं धीरत्वमुचितज्ञता ।
अभ्यासेन न लभ्यन्ते चत्वाराः सहजागुणाः ॥

Meaning:
Liberality, sweetness of speech, courage and judgement are the four natural qualities, which can not be attained by practice. They come naturally.