Islam: Sincerity - Imam Ali (as)

Sincerity is in grave danger, until it is seen what it concludes with.

Be sincere and you will attain [success].

Let your action, your knowledge, your love, your hatred, your taking, your leaving, your speech and your silence [all] be [sincerily] for the sake of Allah.

Adopt sincerity in secret and in the open, fear [of Allah] when unseen and seen, moderation in poverty and wealth, and equity in satisfaction and anger.

Be sincere when you perform an action [and do it only for the pleasure of Allah].

Sincerity is [a means of attaining] success.

Being sincere is the best of actions.

Sincerity is the fruit of worship.

Sincerity is the attribute of the most excellent people.

Sincerity is the highest [form of] success.

Sincerety is the worship of the Near Ones [to Allah].

Sincerity is the goal of religion.

Sincerity is the most honourable end.

Sincerity is the fruit of certitude.

Sincerity is the foundation of worship.

Sincerity is the highest [level of faith].

Siincerity in action stems from strong faith and righteous intention.

If you are sincere, you will be successful.

Through sincerity, deeds are raised (i.e. accepted).

Through sincerity, the doers of good deeds contend for excellence.

The true sincerity of a person makes his nearness [to Allah] greater and his reward abundant.

Blessed is one who anticipates his death and makes his actions sincere.

Blessed is he who makes his knowledge, his actions, his love, his hatred, his taking, his leaving, his speech and his silence for [attaining the pleasure of] Allah.

Blessed is he who proceeds with sincerity, acts with righteousness, acquires the reserves [for the hereafter] and eshews [the disobedience of [Allah] cautiously.

You must espouse true sincerity and complete certitude, for these two are the best forms of worship of the Near Ones [to Allah].

The goal of sincerity is [attaining] deliverance [from the punishment of Allah].

It is for making actions sincere that the people of intellect and understanding contend.

How can one be capable of sincerity when he has been overcome by vain desire?

One who devotes himself sincerely to Allah gains support for his life in this world and the hereafter.

One whose action is not accompanied with sincerity, [his action] is not accepted.

With sincerity, deeds are raised  (i.e. accepted).

No one preserves his reward except the one who makes his action sincere.

There is nothing better than making action sincere in [accordance with] its true intention.

The sincere one is worthy of getting [his prayers] answered.

One who makes his actions sincere, attains his hopes.