Shaykh Sulayman al-Alwan فك الله أسره said:

"Let not the joy of 'Id and joy of gathering with family and brothers make you forget about making Du'a for the prisoners who are fed nothing but isolation and see none other than the prison guards."

Shaykh Ahmad Musa Jibril حفظه الله said:

"(...) what are the shouts for, you are speaking to a dead Ummah."

Abu Bakr Ibn Ayyash رحمه الله sagte:

"I wish that both my hands were cut, if in return the sins of my youth were forgiven."

[Hilyatul Awliya 8/304]

Ibn Qayyim رحمه الله said:
"So as you treat others you shall be treated, so do as you want, for indeed Allah will deal with you in the same manner as you treat His servants."

[Al-Wabil as-Sayyib Pg. 63]

Hasan al-Basri رحمه الله said:

"O young people, I warn you of procrastination, (saying): 'Soon, I am going to do this and that.'"

[Qasr'ul Amal 212]