"And now, after the many testimonies which have been given of him, this is the testimony, last of all, which we give of him: That he lives!
President Monson, our latter day prophet adds his testimony of the Savior: http://www.lds.org/liahona/2012/04/he-is-risen-a-prophets-testimony?lang=eng
Because Jesus suffered for our sins and overcame death, we all have the hope that one day we can live again in his presence. Knowing this makes the trials and tragedies of this life so much easier to bear. May this knowledge fill our souls with peace.