I don't know. Maybe in a notebook, but that's not very efficient.
And there are also many programs for Android to create notes, so if you have nothing to do on the way (to work/from work), you can write down the main ideas in notes on your phone. Google Keep seems suitable for transferring notes from it to a normal text format on Google Docs.
Знание некоторых закономерностей освобождает от изучения многих фактов.
Мечты сбываются рано или поздно, так или иначе.