He that on the eve of beginning an action either relating to this world or the next, does not take into consideration the fact that actions entail consequences light or grave, disagreeable (or otherwise), is styled a child.
गुरुलाघवमर्थानामारम्भे कर्मणां फलम्। दोषं वा यो न जानाति स बाल इति होच्यते।७।।