To know oneself is the beginning of wisdom.

To understand yourself is the beginning of wisdom.

Knowing yourself is the beginning of all wisdom. — Aristotle

The fear of God is not the beginning of wisdom. The fear of God is the death of wisdom. Skepticism and doubt lead to study and investigation, and investigation is the beginning of wisdom.

Self-knowledge is not clarity or transparency or knowing how everything works, self-knowledge is a fiercely attentive form of humility and thankfulness, a sense of the privilege of a particular form of participation, coming to know the way we hold the conversation of life and perhaps, above all, the miracle that there is a particular something rather than an abstracted nothing and we are a very particular part of that particular something.

The ending of sorrow is the beginning of wisdom. Knowledge is always within the shadow of ignorance. Meditation is freedom from thought and a movement in the ecstasy of truth. Meditation is explosion of intelligence.

Knowing others is Wisdom, knowing yourself is Enlightenment

Self-knowledge is the beginning of self-correction.

I have always felt that doubt was the beginning of wisdom, and the fear of God was the end of wisdom.

Knowledge of self ought to be the great project of our lives. Knowing ourselves we will know others. Only by knowing ourselves can we begin to undo the madness we unleash on the world in our wars, our destruction of the environment, our divisions, our desire to dominate others, the poverty we create and exploit. Only through self-knowledge can we reverse the damage we do with all the worldly knowledge we have, which has been only a higher ignorance.

"Know your heart - whether it is good or evil, whether the source of your actions is pure or impure. Know what can be imputed to you and what belongs to your moral state, whether as something inherent in man's substance or as something derived (acquired or admitted).
Moral self-knowledge, which requires one to penetrate into the unfathomable depths and abyss of one's heart, is the beginning of all human wisdom. For wisdom consists in the harmony of the will of a being with his final end, and in the case of man this requires him first to remove the inner obstacle (an evil will actually present in him) and then to develop his inalienable and inherent disposition of a good will. "Only the descent into the hell of self-knowledge can pave the way to deification.

Knowledge — self-knowledge in particular — is freedom.

The first product of self-knowledge is humility,

The beginning of wisdom is the definition of terms.