Unstable and unsteady is the mind, difficult to guard and restrain; The wise one makes it straight, like a fletcher straightens an arrow.

– DhammaPada Verse 33


Related Teachings:

The well-composed Mind (AN 9.26) - Venerable Sāriputta clarifies on a teaching on how enlightenment is to be verified. He shares a visual simile of the stone pillar.

On Wise Attention | A Trainee - First (ITI 16) - Wise attention is very helpful to a trainee to awaken to enlightenment.

Steadying the mind against the poisons of greed, hate and delusion (AN 4.117) - Practice diligence, mindfulness, and guarding of the mind in these four situations.