holding the door for someone or even sleeping and…

holding the door for someone or even sleeping and eating so we have the energy we need to continue to grow, our lives are surely filled with meaningful positive action.

— from Fuel (Energy)

In the book

Then the steps, one tank at a time. Refuel the physical tank first, because it carries the others. Move your body — exercise is the fastest way to alter a depleted state and sharpen the mind; when the gauge spikes into panic, take four or five long, slow belly breaths, which calm the whole system at the source; and never undervalue sleep and food, the plainest refuelers there are. Spend the mental tank on purpose. Attention is the single most essential mental resource you have — it decides what you even notice, and your brain processes everything at a real cost, so automate the small, repeated decisions to save the fuel for the ones that matter. — Fuel (Energy)

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