I hope you receive this message in the best of Imaan, health and prosperity. We ask Allah, the Exalted, the Almighty, to help us all to do that and Allah is source of Strength. May peace and blessings be upon our Prophet Muhammad (sallallahu alaihi wa-sallam) and upon his family and companions. 

Every Muslim Should Remember These Essential Expressions.

Say When As salamu aleiykum meet a muslim Peace be upon you Waleiykum assalam a muslim greets you And peace be upon you As salamu aleiykum wa rahmatullahi wa barakatuh meet a muslim Peace and mercy and blessings of Allah be upon you Waleiykum assalam wa rahmatullahi wa barakatuh a muslim greets you And peace and mercy and blessings of Allah be upon you Bismillah before making a beginning In the name of Allah Jazakallah for _expression of thanks May Allah reward you JazakAllahu khair for _expression of thanks May Allah reward you for the good BarakAllahu feekum responding to someone’s thanks May Allah bless you Fi Amanullah by way of saying good-bye May Allah protect you Subhaanallah for praising something Glory be to Allah Insha Allah for expressing a desire to do something If Allah wishes Astaghfirullah repenting for sins before Allah I beg Allah for forgiveness Masha Allah for expressing appreciation of something good As Allah has willed Alhamdulillah for showing gratitude to Allah after success or even after completing anything Praise be to Allah Aameen the end of a Dua or prayer May it be so Sal allahu aleihi wasallam whenever say the name of Prophet Muhammad Peace be upon him (S.A.W.) Alaihi salaam whenever say the name of a prophet Peace be upon him (A.S.) Radi Allah Anhu whenever say name of male companion of the Prophet (Sahabi) May Allah be pleased with him (R.A.) Radi Allah Anha whenever say name of female companion of the Prophet May Allah be pleased with her (R.A.) Radi Allah Anhum Plural form of saying companions of the Prophet May Allah be pleased with them (R.A.) Innaa lillaahi wa innaa ilayhi raaji'oon this is uttered as an _expression of sympathy of the news of some loss or some one's death To Allah we belong and to Him is our return La hawla wala quwata illah billah during the time of troubles There is no strength nor power except Allah Al hamdu lillah after sneezing Praise be to Allah Yar hamukallah someone else sneezes May Allah have mercy on you Fi sabi lillah giving charity