When you are blessed with good fortune they grieve; but if some misfortune overtakes you they rejoice. If you are patient and guard yourself against evil, their schemes will not harm you in any way. Surely Allah encompasses all their actions.
Meaning:-
Grieve: mourn, lament, sorrow,
Rejoice: happiness, pleasure, joy, gladness, delight
Encompass: surround and have or hold within.