Imam Moosa b. Jafar al Kazim (a.s.),

If someone performs the visitation of Imam Husain (a.s.), by recognising his right, honour, and mastership, then the least reward which he will get is that all his past and future sins will be forgiven.
Kaameluz Ziaaraat, pg. 153

Al ‘Allamah At ‘Tabataba’i writes:

Al ‘Allamah At ‘Tabataba’i writes:.

Imam Moosa Kazim (a.s.),

One who visits our first one, visits the last one. And one who visits our last one, visits the first one.
Behaarul Anwar, vol 100 pg 122

The Holy Prophet (s.a.w.a.),

The most superior deed before Allah is to satiate the thirst of the thirsty, even if it be an animal.
Darrusslam, vol. 3, pg. 162

Imam Sadiq (a.s.),

One who satisfies the thirst of a person at a place where water is available; it is as if he has freed a slave. And one who does the same at a place where water is not available; it is as if he has enlivened a soul. And one who gives life to one soul; it is as if he has enlivened humanity.
Makaremul Akhlaq pg. 85, Chap. 7, part. I

Teachings:

Teachings:.

Imam Moosa b. Jafar al Kazim (a.s.),

If someone performs the visitation of Imam Husain (a.s.), by recognising his right, honour, and mastership, then the least reward which he will get is that all his past and future sins will be forgiven.
Kaameluz Ziaaraat, pg. 153