وَلَا تَجْعَلْ يَدَكَ مَغْلُولَةً إِلَىٰ عُنُقِكَ وَلَا تَبْسُطْهَا كُلَّ ٱلْبَسْطِ فَتَقْعُدَ مَلُومًا مَّحْسُورًا

And do not make your hand to be shackled to your neck nor stretch it forth to the utmost (limit) of its stretching forth, lest you should (afterwards) sit down blamed, stripped off.