My conclusion is that yoga is difficult to attain if one’s mind is uncontrolled. But one who endeavors to control the mind by the proper practice can be successful.
Bhagavad Gita - Chapter 6 - Dhyana Yoga - The Yoga of Meditation
Arjuna said: O Krishna, what is the destination of a person who has faith but cannot control his mind by the process of yoga and does not attain perfection?
O mighty-armed Krishna, does such a person, being both confused on the spiritual path and having no shelter, become lost like a scattered cloud?
O Krishna, only You can completely remove these doubts of mine and no one else.
Bhagavan Shri Krishna replied: O Partha, such a person does not meet with destruction, either in this world or the next. One who performs acts of virtue never suffers misfortune.
One who falls from the practice of yoga attains the celestial planets of the pious and dwells there for many years. Thereafter, they take birth amongst humans in a noble and prosperous family.
Otherwise they may be born into a learned family of yogis. Certainly such a birth is rarely achieved in this world.
O descendent of Kuru, regaining their knowledge of yoga from previous births, they again endeavor to attain success.
Due to the practices of their previous life, they are automatically attracted to the yoga process. Simply by inquiring about this system of yoga, one transcends the rituals of the Vedas.
By sincere endeavor, the yogi is then purified of all contamination and achieves perfection after many lifetimes – he attains the Supreme Destination.