Do you really think it is weakness that yields to temptation? I tell you that there are terrible temptations which it requires strength strength and courage to yield to.

Some argue that now isn't the time to push the green agenda - that all efforts should be on preventing a serious recession. That is a false choice. It fails to recognise that climate change and our carbon reliance is part of problem - high fuel prices and food shortages due to poor crop yields compound today's financial difficulties.

Physics does not change the nature of the world it studies and no science of behavior can change the essential nature of man even though both sciences yield technologies with a vast power to manipulate the subject matters.

A shady business never yields a sunny life.

Far from creating a new formalism what these can yield is something far transcending surface values since they not only embody form as beauty but also form in which intuitions or ideas or conjectures have taken visible substance.

Speak the truth do not yield to anger give if thou art asked for little by these three steps thou wilt go near the gods.

Still intuitive assumptions about behavior is only the starting point of systematic analysis for alone they do not yield many interesting implications.

It may however be said that the level of experience to which concepts are inapplicable cannot yield any knowledge of a universal character for concepts alone are capable of being socialized.