Our mental condition depends on our surrounding and it can be changed according to it explains and prove {dust of snow}

According to the poem "Dust of Snow", our mental conditions can change on the basis of the surrounding we are in. If surroundings are positive, our thoughts and mental conditions will be healthy.
Similarly, if the thoughts are negative, our mental condition and thoughts will also be negative and the processing will not be as a normal person.
                                      I HOPE THIS ANSWER WOULD BE HELPFUL .      THANK YOU !       ;-)