True love doesn't happen right away; it's an ever-growing process. It develops after you've gone through many ups and downs, when you've suffered together, cried together, laughed together.
It's either not good enough and dies altogether, or it develops.
Reading develops cognitive skills. It trains our minds to think critically and to question what you are told. This is why dictators censor or ban books. It's why it was illegal to teach slaves to read. It's why girls in developing countries have acid thrown in their faces when they walk to school.
Repetition of the same thought or physical action develops into a habit which, repeated frequently enough, becomes an automatic reflex.
The chief condition on which, life, health and vigor depend on, is action. It is by action that an organism develops its faculties, increases its energy, and attains the fulfillment of its destiny.
I will never be one of the happy stupid that were born somewhere. This way of life is excellent for the imagination. It develops your paranoia. You feel paranoid when you don't understand a country, and being paranoiac is excellent for fiction.
Passion is the quickest to develop, and the quickest to fade. Intimacy develops more slowly, and commitment more gradually still.
Education is that whole system of human training within and without the school house walls, which molds and develops men.
If you will call your troubles experiences, and remember that every experience develops some latent force within you, you will grow vigorous and happy, however adverse your circumstances may seem to be.
Great ability develops and reveals itself increasingly with every new assignment.