Manana (Sanskrit: मनन) is the deep state of thinking without joy or grief. Yajnavalkya in the context of the mahavakya – Tat Tvam Asi, told Paingala that whereas shravana ('hearing') is the inquiry into the real significance of this vākya, to inquire in solitude into the significance of shravana is manana (consideration or reflection). Patanjali terms manana as dharana, the unshakeable mental conviction. Manana means – 'thinking', 'reflection', 'meditation', 'cogitation'; Panchadasi (Sloka I.53) reads as follows:-