Demon slayer.......... Reasons...... For....... Saving....... One of the most iconic quotes from *Demon Slayer* (Kimetsu no Yaiba) is by Tanjiro Kamado, which reflects his determination and empathy: **"If you can only do one thing, hone it to perfection. Hone it to the utmost limit."** This quote encapsulates the essence of perseverance and dedication, central themes in the series.