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

Encyclopedia: By heart

• draw in
• draw near
• draw off
• draw out
• draw play
• draw poker
• draw rein
• draw the line
• draw together
• draw up
• drawable
• drawal
• drawback
• drawbar
• drawbridge
• drawdown
• drawee
• drawer
• regimental
• regimentally
• regimentals
• regimentation
• regimented
• Regina
• Reginald Carey Harrison