to bring the mind into sharp focus and to make it alert so that it can immediately intuit truth, which is everywhere, the mind must be emancipated from old habits, prejudices, restrictive thought process, and even ordinary thought itself
Source: Jeet Kune Do: Bruce Lee's Commentaries on the Martial Way
Love is like a friendship caught on fire. In the beginning a flame, very pretty, often hot and fierce, but still only light and flickering. As love grows older, our hearts mature and our love becomes as coals, deep-burning and unquenchable.
Empty your mind, be formless. Shapeless, like water. If you put water into a cup, it becomes the cup. You put water into a bottle and it becomes the bottle. You put it in a teapot it becomes the teapot. Now, water can flow or it can crash.
The spiritual force transcends all. -- I feel this great creative and spiritual force within me that is greater than faith, greater than ambition, greater than confidence, greater than determination, greater than vision. It is all these combined. My brain becomes magnetized with this dominating force which I hold in my hand.
Source: Striking Thoughts: Bruce Lee's Wisdom for Daily Living