in Thoreau’s Journal:

To set down such choice experiences that my own writings may inspire me.— and at last I may make wholes of parts. 

Certainly it is a distinct profession to rescue from oblivion & to fix the sentiments & thoughts which visit all men more or less generally. That the contemplation of the unfinished picture may suggest its harmonious completion. Associate reverently, and as much as you can with your loftiest thoughts. Each thought that is welcomed and recorded is a nest egg—by the side of which more will be laid. Thoughts accidentally thrown together become a frame—in which more may be developed—& exhibited. Perhaps this is the main value of a habit of writing—of keeping a journal. That so we remember our best hours—& stimulate ourselves. My thoughts are my company  —  They have a certain individuality & separate existence—aye personality. Having by chance recorded a few disconnected thoughts and then brought them into juxtaposition—they suggest a whole new field in which it was possible to labor & to think. Thought begat thought….