An artist's early work is inevitably made up of a mixture of tendencies and interests, some of which are compatible and some of which are in conflict. Bridget Riley
An association of men who will not quarrel with one another is a thing which has never yet existed, from the greatest confederacy of nations down to a town meeting or a vestry. Thomas Jefferson
An athlete who tells you the training is always easy and always fun simply hasn't been there. Goals can be elusive which makes the difficult journey all the more rewarding. Alberto Salazar
An atmosphere of beliefs and conceptions has been formed by the labours and struggles of our forefathers, which enables us to breathe amid the various and complex circumstances of our life. William Kingdon Clifford
An attitude to life which seeks fulfillment in the single-minded pursuit of wealth - in short, materialism - does not fit into this world, because it contains within itself no limiting principle, while the environment in which it is placed is strictly limited. Charles Edwards
An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it, but stops being a magnet when the current stops.
An empty book is like an infant's soul, in which anything may be written. It is capable of all things, but containeth nothing. I have a mind to fill this with profitable wonders. Thomas Traherne
An enthusiast broods over the oppression of a people till he fancies himself commissioned by Heaven to liberate them. He ventures the attempt, which ends in little else than his own execution. George Haven Putnam
An examination showed that one of the india-rubber bands which was round the head of a driving-rod had shrunk so as not quite to fill the socket along which it worked.
An example is the term civil war, which is not an oxymoron, but can be claimed to be so for humorous effect, if civil is construed as meaning 'polite' rather than 'between citizens of the same state'.
An idea can only be materialized with the help of a medium of expression, the inherent qualities of which must be surely sensed and understood in order to become the carrier of an idea. Hans Hofmann