Control your mind: When you leave your house, concentrate your mind on a subject (no matter what, to begin with). You will not have gone ten yards before your mind has skipped away under your very eyes and is larking round the corner with another subject. Bring it back by the scruff of the neck.
微信读书。
I thought it's a book about time management, but it's obviously not. You can't find any inspiration in its wordy clutter.