Bhagavad Gita 6.34

चञ्चलं हि मनः कृष्ण प्रमाथि बलवद्दृढम्।
तस्याहं निग्रहं मन्ये वायोरिव सुदुष्करम्।।6.34।।

Chanchalam hi manah krishna pramathi balavaddridham
Tasyaham nigraham manye vayoriva sudushkaram

Simple meaning, written by AIO Krishna, the mind is restless, agitating, strong and firm. In my view, controlling it is as difficult as controlling the wind.

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