A.

“If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent”
― Isaac Newton

“It was strictly forbidden to preach to other prisoners. It was understood that whoever was caught doing this received a severe beating. A number of us decided to pay the price for the privilege of preaching, so we accepted their [the communists' ] terms. It was a deal; we preached and they beat us. We were happy preaching. They were happy beating us, so everyone was happy.”
― Richard Wurmbrand, Tortured for Christ

“They can because they think they can.”
― Virgil

“Have courage for the great sorrows of life and patience for the small ones; and when you have laboriously accomplished your daily task, go to sleep in peace. God is awake.”
― Victor Hugo