That, which others compress - will widen up and open. That, which others weaken - will strengthen. That, which others destroy - will blossom. Whoever wished to take something from the other, will inevitably loose his own.
Intellectual knowledge exists in and of the brain. Because the brain is part of the body, which must one day expire, this collection of facts, however large and impressive, will expire as well. {But spiritual insight transcends death.}
When one gives whatever one can without restraint, the barriers of individuality break down. It no longer becomes possible to tell whether it is the student offering himself to the teacher, or the teacher offering herself to the student. One sees only two immaculate beings, reflecting one another like a pair of brilliant mirrors.
The fourth (of the four cardinal virtues) is supportiveness: this manifests as service to others without expectation of reward. (Paraphrased: Such service is not a mere conforming to some external rule of behavior, but instead a manifestation of your original nature).
The ten thousand things flourish and then each returns to the root from which it came. Returning to the root is stillness. Through stillness each fulfils its destiny.
The good man is the teacher of the bad, And the bad is the material from which the good may learn. He who does not value the teacher, Or greatly care for the material, Is greatly deluded although he may be learned. Such is the essential mystery.