A Christian receives divine wisdom in three ways: by the commandments, teachings, and faith. The commandments free the mind from passions. Teachings lead it to true knowledge of nature. Faith leads to the contemplation of the Holy Trinity.
Maximus the ConfessorYou will be able to check envy if you rejoice with the man whom you envy whenever he rejoices, and grieve whenever he grieves.
Maximus the Confessor'The long-suffering man abounds in understanding' (Prov. 14:29), because he endures everything to the end and, while awaiting that end, patiently bears his distress. The end, as St. Paul says, is everlasting life (cf. Rom. 6:22). 'And this is eternal life, that they might know You the only true God, and Jesus Christ whom You have sent' (Jn. 17:3).
Maximus the ConfessorDo not disdain the commandment to love, for through it you become a son of God, and when you break it, you become a son of Gehenna.
Maximus the Confessor