Hawzah News Agency – Imam al-Baqir peace be upon him says:

لا عِلمَ كَطَلَبِ السَّلامَةِ، ولا سَلامَةَ كسَلامَةِ القَلبِ.

'There is no knowledge like the acquirement of wellbeing [for oneself], and there is no wellbeing like the soundness of the heart.'

Source: Bihar al-Anwar, v. 78, p. 164, no. 1