When you promise to do something for someone else, immediately write it down on your list. Your todo list can double as your promise list.

当你向别人许下承诺时，请立刻记到任务清单上，你的任务清单也可以充当承诺单。

youdao

Whenever you have one of these ideas, stop your self immediately and write it down in your notebook.

FORBES: The Author's Notebook

When your agency presents an idea, immediately write down how you feel about it.

FORBES: When Reviewing A New Idea, Never Forget Its First Impression