The Four Ds - Deepstash
The Mind of Leonardo da Vinci

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Leonardo da Vinci's creative process

How to approach problem-solving like da Vinci

The importance of curiosity and observation

The Mind of Leonardo da Vinci

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The Four Ds

The Four Ds

  • Do It
  • Drop it
  • Delegate it
  • Defer it

Only do it if it's going to take a minute and it's been scheduled. Otherwise, just drop it, delegate it and defer it.


1.12K reads


"If it's not helping me to make money, if it's not improving my life in some way, it's mental clutter and it's out."



1.11K reads

Scott Hanselman

"Effectiveness is doing the right things, but efficiency is doing things right. That means effectiveness is picking a direction and efficiency is running really fast in that direction."



1.28K reads

Define "Work"

Define "Work"

David Allen's threefold nature of work:

  • Pre-defined work: Work you've set up ahead of time.
  • Work as it appears: Work that interrupts you.
  • Defining work: You sit down and think about what work you need to be doing.


878 reads

Effectiveness Vs Efficiency

Effectiveness Vs Efficiency

  • Effectiveness is goal orientation. It's picking something to do. This is doing the right things—picking a goal and doing that goal.
  • Efficiency is doing things in an economical way, process-oriented.


1.41K reads

Resolve Inbox Issues

Resolve Inbox Issues

  • Change the way emails appear in your inbox: set up a folder for emails that you're Cc'd on and a folder for emails that come directly to you.
  • Don't reply to emails in the morning (or at night): it teaches people that they should expect future replies from you at that ti...


779 reads

Remain in Your Flow

Remain in Your Flow

If anything important happens in the world, it will come your way many times. 

There's no need to hit refresh every 5 minutes on news sites. Somebody will tell you. 


853 reads

Multitasking is a Myth

Multitasking is a Myth

When you're multitasking you are actually doing something called task-switching, which requires context switching. And this harms your productivity overall.


914 reads

Scott Hanselman

"Hope is not a plan. Hope is nothing but waiting and letting life happen to you."



1.37K reads




A negative mind will never give you a positive mind.

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Spend Only as Much Time on Decisions, Tasks, and Actions as They are Worth

  • Most decisions can be reduced to a choice of four simple actions: drop it, do it, delegate it, or defer it.
  • If something can be done in two minutes or less, just do it.

Recent research in social psychology has shown that happy people are not people who have more; ...

The 2-minute rule

The 2-minute rule is a strategy for quickly assessing and taking action on small tasks so they don’t take up too much mental energy.

Ask yourself if a task is going to take you 2 minutes or less. If so, just do it.

Habits For Efficient Email Processing

Habits For Efficient Email Processing

  • Do – If it’s actionable, execute the task and archive.
  • Delegate – Forward it on.
  • Defer – Decide to do it later (snooze it until a concrete time).
  • Delete – If possible, do it to reduce your inbox.
  • File – If necessary, tag it a...

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