The human race's prospects of survival were considerably better when we were defenceless against tigers than they are today when we have become defenceless against ourselves.

The extinction of race consciousness as between Muslims is one of the outstanding achievements of Islam, and in the contemporary world there is, as it happens, a crying need for the propagation of this Islamic virtue

The extinction of race consciousness as between Muslims is one of the outstanding achievements of Islam, and in the contemporary world there is, as it happens, a crying need for the propagation of this Islamic virtue.

Nanotechnology in medicine is going to have a major impact on the survival of the human race.

The supreme accomplishment is to blur the line between work and play.

Do not let yourselves be discouraged or embittered by the smallness of the success you are likely to achieve in trying to make life better. You certainly would not be able, in a single generation, to create an earthly paradise. Who could expect that? But, if you make life ever so little better, you will have done splendidly, and your lives will have been worthwhile.