1. By committing to memory
   "she knew the poem by heart"
   - by memory

Encyclopedia: By heart

• liquid diet
• liquid ecstasy
• liquid lunch
• liquid measure
• liquid metal reactor
• liquid nitrogen
• liquid oxygen
• Liquid Pred
• liquid soap
• liquid state
• liquid unit
• liquid-fueled
• liquidambar
• Liquidambar styraciflua
• liquidate
• liquidation
• liquidator
• liquidise
• liquidiser
• liquidity
• liquidity crisis
• liquidize
• liquidizer
• liquidness
• liquifiable