भये वा यदि वा हर्षे संप्राप्ते यो विमर्शयेत् |कृत्यं न कुरुते वेगात् न स संतापमाप्नुयात् || – पञ्चतंत्र, मित्रभेद
He who ponders to think (and deliberates) when confronted with fear or extreme happiness and who would never react in a hurry will never be sad.