If you can afford to live in this worldly life, then there is nothing you need to understand further, and if you find the worldly life bothersome then you need to understand spirituality. In spirituality, we need to know the nature of the Self (Soul). When ‘who am I?’ is known then all puzzles will be solved.
With the 'Knowledge' [Gnan] ‘we’ give, peace will prevail. But it won’t do without understanding this Vignan, the spiritual science. Will a scientific experiment work if just one ingredient is missing? No it will not. In the same way, this science of ours will have to be understood completely.