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Likewise, the Time Machine's life-energy-control [branch] is the means of inserting the winds into the central channel, and [its] endurance is the holding those inserted winds           in the hubs of the channel wheels; so even if you do not meditate life-energy control and endurance exactly as it is explained in that source, if [what you do meditate] seems a means to achieve that purpose, it is the equivalent of those two.