The mind can easily become rigid and inflexible so it is important to make it supple again.
Reading texts such as Tao Te Ching and Chuang Tzu or studying Krishnamurti will help to release your mind from old ways of thinking.
Such material cannot be apprehended without considerable change within.
Meditation is the second aspect of this change.
This does not mean chanting, special breathing anything transcendental.
Simply be present.