Useless learning?

 Pagaiyakatthup pedikai olvaal avaiyagatthu anjumavan katra nool - ThirukkuralThe wisdom of he who fears his audience is as useful as the shining sword in the hands of a coward in battle - Loose translationTiru makes me happy about my ignorance. I mean, first you need to learn, understand and be able to speak the proper words; then you also need to have the courage to face an audience and speak