Alles wat Jan bezighoudt, interesseert en irriteert... en ook een beetje onzin...

zaterdag, november 16, 2019

If You're Busy, You're Doing Something Wrong: The Surprisingly Relaxed Lives of Elite Achievers - Study Hacks - Cal Newport

https://www.calnewport.com/blog/2011/11/11/if-youre-busy-youre-doing-something-wrong-the-surprisingly-relaxed-lives-of-elite-achievers/