My friend gifted me a 5 year diary wherein every day you just jot down one sentence that encapsulates your experience of the day. Each entry has a quote and enough lines for five entries, a space to write in the year, alongside it.
I just received it on Friday and I love summarizing at the end of the night, one thought that speaks to me, after reviewing the last 24 hours. It is a great way to also see what and where your priorities are/were for that moment in time.
I keep a daily, morning journal where I write anywhere from one paragraph to three pages, but this is handy and forces me to be a bit more concise.
Maybe, start your own one-liners or check out Gretchen Rubin’s Happiness Project Journal.