Knowledge, courage, cleverness, strength and patience, are one's natural friends. The wise live in this world with the help of those five.
विद्या शौर्यं च दाक्ष्यं च बलं धैर्यं च पञ्चमम्। मित्राणि सहजान्याहुर्वर्तयन्तीह तैर्बुधाः॥