Many differences are rooted in biology and reinforced through culture so it's important to acknowledge that. Because if you say men and women are the same and if male behaviour is the norm and women are always expected to act like men we will never be as good at being men as men are.

I decided at age 9 but I was reinforced at age 13 when a teacher told me I had talent. I can't say she really motivated me because I already knew. I knew I had talent. I went to the Jewish community theater and got in plays there. Then I went for the movies.'

I think one of the downsides of the sort of obsession with romantic love and personal fulfillment is that the plain fact of the matter is that those feelings don't last for ever and so they better be replaced and reinforced by things that do.

My teachers helped guide and motivate me but the responsibility of learning was left with me an approach to learning which was later reinforced by my experiences at Amherst.

A cheerful frame of mind reinforced by relaxation... is the medicine that puts all ghosts of fear on the run.

So here is one of my theories on happiness: we cannot know if we have lived a truly happy life until the very end. This view of life and death was reinforced by my close witnessing of the buildup to the death of Philip Gould. Philip was without doubt my closest friend in politics. When he died I felt like I had lost a limb.

Mission accomplished. The Museum of Modern Art's wide-open tall-ceilinged super-reinforced second floor was for all intents and purposes built to accommodate monumental installations and gigantic sculptures should the need arise. It has arisen.

Inductive reason which alone makes man master of his environment is an achievement and when once born it must be reinforced by inhibiting the growth of other modes of knowledge.