For you to have success, you – the person that’s reading this right now – for you to have success, you have to be insane.

Log bhi ajeeb hotey hai na,
Zindagi guzaar dete hai, 
Anjaan logon ko, 
Apna banane ki koshish me.

Lekin, kabhi khud apney nahi ho paatey!

...there is no folly of the beast of the earth which is not infinitely outdone by the madness of men.

If you want to be productive, you should try to learn to get joy from what gives the greatest return and discipline yourself to do those things.