Baba Fariduddin Masood Ganj Shakar (may Allah have mercy on him)(d. 5th Muharram 611H/1262CE) said,
“A spiritual aspirant must do the following four things,
1. Become blind from seeing anyones’ mistakes.
2. Become deaf from hearing anything useless and petty.
3. Become mute, so there is no idle talking and his speech remains pure.
4. Paralyze his legs, so that he does not walk towards anything that is impermissible.
Only if these qualities are found in an individual then he is eligible to be called an aspirant otherwise he is a liar and a boastful charlatan. ”
Baba Farid ra ka roznamcha, page 11-12