Commit sth to memory

BBC News

Syn: memorize, to learn by heart, to keep in memory

• Spies commit their orders to memory instead of carrying them on paper.
• If your board has such a policy, commit it to memory and follow it.
• Napping after learning something new could help you commit it to memory

Source: http://news.bbc.co.uk/2/hi/8638551.stm