Suhayl bin Abi Salah سهيل بن أبي صالح · The Book of Jihad

"A man came to the Messenger of Allah (ﷺ) and asked him for permission to go for Jihad. He said: 'Are your parents alive?' He said: 'Yes.' He said: 'Then strive for their sake.'"

"O Messenger of Allah! Which of the people is best?" He said: "One who strives with himself and his wealth in the cause of Allah." He said: "Then who, O Messenger of Allah?" He said: "Then a believer (isolating himself) in one of the mountain passes, who fears Allah and spares the people his evil."

"in the year of Tabuk, the Messenger of Allah (ﷺ) addressed the people, while leaning against his mount. He said: 'Shall I not tell you of the best of the people and the worst of the people? Among the best of the people is a man who strives in the cause of Allah on the back of his horse, or on the back of his camel, or on his own two feet, until death comes to him. And among the…

"Allah will never combine the dust in the cause of Allah, the Mighty and Sublime, and the smoke of Hell, in the lungs of a Muslim man, and Allah will never combine faith in Allah, and stinginess in the heart of a Muslim man."