Second migration to Abyssinia to the two frowning Meccan envoys and to his bishops who got angry, he said: "You may fret and fume as you like but Jesus is nothing more than what Ja‘far has said about him." The King assured the Muslims full protection and returned the gifts to the envoys of Quraish and sent them away. The Muslims lived in Abyssinia (Ethiopia) unmolested for a number of years. During this period were the Muslims in Arabia subjected to the Meccan boycott of the Hashemites (617), the Year of Sorrow (619), Muhammad's visit to Ta'if (620), the Isra and Mi'raj (621) and
What Is Intelligence? What Is Intelligence? What Is Intelligence?: Beyond the Flynn Effect is a book by psychologist James R. Flynn which outlines his model for an explanation of the eponymous Flynn effect. The book summarizes much of the work of Flynn in this area, as well as that of his colleague William Dickens of the Brookings Institution. The book begins with a description of what has generally become known as "the Flynn effect": the steady rise from one generation to the next in average scores on IQ tests over time. Flynn notes that this effect apparently contradicts some fundamental beliefs about IQ