Tasbih

Subhanallahi wa bihamdihi

سُبْحَانَ اللَّهِ وَبِحَمْدِهِ

Glory be to Allah, and praise is His.

Target: 100x
Guidance: Any time. A hundred times a day.
Source: সহীহ বুখারী; সহীহ মুসলিম 6405; 2691; Abu Huraira. One hundred times a day. In Muslim 2691 this tasbih appears within a longer narration.