One should be kind to others in part because that action tends to be reciprocated because humanities nature is compassionate. Left to their own devices people will show compassion without expectation of a reward or payment.
Taoism inspired a love of nature and an occasional retreat to it to be away from the care and worries of this world to rest and heal. It also inspired an intense affirmation of life: physical life – health, well being, vitality, longevity, and even immortality. (Chrystal).