The Prophet (saw) said: "The trustworthy honest Muslim merchant will be with the martyrs on the Day of Judgement." Kanz al-ummal, hadith no. 9216

Imam al-Sadiq (as) said: "Abandoning trading diminishes the intellect." al-Kafi, vol 5 p 148, hadith no. 1

Imam Ali (as) said: "You rushed me like camels that rush to water, eager to give me your allegiance." al-Irshad, vol 1 p. 260

"Should anyone argue with you concerning him, after the knowledge that has come to you say, 'Come! Let us call our sons and your sons, our women and your women, our souls and your souls, then let us pray earnestly and call down Allah's curse upon the liars.'" Qur'an 3:61

Imam Ali (as) said: "There is no impudence worse than slander." Ghurar al-hikam, hadith no. 10455

Imam Ali (as) said: "Salvation comes at the peak of ordeal." Bihar al-anwar, vol. 78 p. 12, hadith no. 70

Imam Ali (as) said: "Whenever Allah punishes a believing servant in this world, [it is only because] He is too Clement, too Glorious, too Generous and too Kind to requite him with punishment on the Day of Resurrection." Bihar al-anwar, vol 67 p. 178, hadith no. 25. 

"We will test you with good and ill by way of test." Qur'an 21:35

The Prophet (saw) said: "No one can support [the cause of] the religion of Allah, the Exalted, except for one who is well-versed in all its aspects." al-Firdaws, vol 1 p 234, hadith no. 897.

The Prophet (saw) said: "O Ali! When Allah guides a man through you, it is better for you than all that the sun shines on." al-Mustadrak ala al-sahihayn, vol 3 p 691, hadith no. 6537