The One-Sentence Journal is inspired by Gretchen Rubin's own experience of creating a one-sentence journal to help keep a colorful record of her own life. Satisfying yet manageable, the One-Sentence Journal is designed for those who yearn to keep a record of their lives, but who can't manage to write a long entry every day. We tend to overestimate what can be done in the short term, and underestimate what can be done in the long term, a little bit...