Randomized evaluations can help us understand what works and what doesn't in development.

El escritor debe ser un testigo de su tiempo, un cronista de la realidad.

When you have nobody you can make a cup of tea for, when nobody needs you, that's when I think life is over.

The secret of improved plant breeding, apart from scientific knowledge, is love.

He said that the way of the world is to bloom and to flower and die but in the affairs of men there is no waning and the noon of his expression signals the onset of night. His spirit is exhausted at the peak of its achievement. His meridian is at once his darkening and the evening of his day.