You would find Saguna Upasana and Nirguna Upasana,and the Union of SelfandBrahman,Eikyanusanthaana,marked. If we look, all Yoga systems are also covered.
When cycles of seemingly the same length are found on both the Sun and the Earth, the solar waves crest after the Earthly ones." Putting that into a perspective of cause and effect, the conclusion would be that Earthly phenomena is the cause of the solar cycles.
What is the Work we are talking about? Going to office, 10-5, working in a software company or running a Business, where we earn? What do we do here? We earn money to satisfy our senses. We remain unsatisfied whatever we earn. We remain loyal , honest to others in the work place so that our jobs, businesses are secure. Where is the question of Altruism? At the end of the day, after we do our life's work, what does remain for us?
Approaches to God are many. As many individuals as many Paths. For the approach to Godhead depends on one's attitude and aptitude, Bhava. Broadly speaking they have been classified as The Path Of Knowledge(Gyana Yoga),Bhakti Yoga(Path Of Devotion),Karma Yoga( Path Of Action, and Raja Yoga(Through meditation and regulation of sense organs. Under each are various sub paths. Again there are different instruments of reaching this goal through these steps. We have Tantra and Mantra Shastras. Basing the Sound some systems of worship has been developed in Indian Philosophy/Hinduism. One such is the Kesari Vidya. This comes under the Mula vidya of Devi, Lalitha, In Mula Vidya, The Devi is worshiped thus. Gāyatri: Vedic Gāyatri, the primary Vidyā that one is initiated into, before the ŚrīVidyā mantras like Bāla or Pancadāsi. ( I shall be posting more on this subject as I am still researching into this, so complex) Chanting is of three types.
Adi Sankaracharya,as Rajaji puts it in his introduction to MS rendering of The Bhaja Govindam,who drank the nectar of Knowledge as one wold a sip of water from one's palm, extols the virtues of Bhakti in his famous song/sloka Bhaja Govinda,(Repeat 'Govinda', a Name of Lord Vishnu) Adi Shankaracharya, he proponent of Advaita, Non Dualism, is one who seems to advocate Gnana Yoga, The Path Of Yoga. He also advocates Karma Yoga, in his Brahma Sutra Bhashya. He assigns a great importance to the understanding of The Reality, Gnana Yoga. But Sankaracharaya, who is such an ardent protagonist of the Path of Knowledge, reverts to bhakti in his Bhaja Govindam. It is, as decreed in the scriptures,, rare to be born a Human being, where limited Freedom Of Choice if offered to realize Godhood. Depending on one's mental attitude and dispositions. various paths for realizing Godhood are proposed in Hinduism. They are, Gnana Yoga, The Path of Knowledge, Karma Yoga , The Path of Action, Raja Yoga, The Path of Physical and Mental Disciple, and Bhakti Yoga, The path of Surrender to God.