“Spread love everywhere you go: first of all in your own home. Give love to your children, to a wife or husband, to a next-door neighbor
“I have frequently been questioned, especially by women, of how I could reconcile family life with a scientific career. Well, it has not been easy
“Friendship is held to be the severest test of character. It is easy, we think, to be loyal to a family and clan, whose blood is in your own veins
“How pleasant it is for a father to sit at his child's board. It is like an aged man reclining under the shadow of an oak which he has planted
“Nobody, who has not been in the interior of a family, can say what the difficulties of any individual of that family may be