This splendid subject [mathematics], queen of all exact sciences, and the ideal and norm of all careful thinking.

Puberty for a girl is like floating down a broadening river into an open sea.

Precisely what menstruation is, is not yet very well known.

Man is largely a creature of habit, and many of his activities are more or less automatic reflexes from the stimuli of his environment.

The man of the future may, and even must, do things impossible in the past and acquire new motor variations not given by heredity.

Adolescence is when the very worst and best impulses in the human soul struggle against each other for possession.

Being an only child is a disease in itself.

Oneness with Nature is the glory of childhood; oneness with childhood is the glory of the Teacher.

Adolescence is a new birth, for the higher and more completely human traits are now born.

Normal children often pass through stages of passionate cruelty, laziness, lying and thievery.

.. every step of the upward way is strewn with wreckage of body, mind, and morals.

What are you - Secret Service?''If I were, I wouldn't admit it.''And you're not admitting it, I notice.

Dogs, ye have had your day!

A lot of people are always striving for bigger and better. People are always wondering if the grass is greener and then they'll​ start hearing things or meeting other people.

I might not have the ability to ever carry a child and I have this damn bag for the time being – but I'm alive.

The worst part of an eminent man's conversation is, nine times out of ten, to be found in that part by which he means to be clever.

Movies are in a much longer production conversation before an actor is even involved. I always thought of actors as the last piece of the puzzle - so you're a tool.

The UK needs more first class studio space to encourage the growth of the film and TV sector.

The keys to the life of the heart lie in reflecting upon the Quran, being humble before Allah in secret, and leaving sins.

At the darkest moment comes the light.

You are in a pitiable condition if you have to conceal what you wish to tell.