In all matters but particularly in architecture ...that which is signified is the subject of which we may be speaking and that which gives significance is a demonstration on scientific principles. ...One who professes himself an architect should be well versed in both directions. Vitruvius
Humanitarian goods and people must flow in both directions. Gaza cannot and must not be allowed to remain a prison camp. David Cameron
Most of the time common stocks are subject to irrational and excessive price fluctuations in both directions as the consequence of the ingrained tendency of most people to speculate or gamble... to give way to hope, fear and greed. Benjamin Graham
The basic feasibility of communicating in both directions between electronic devices and biological neurons has already been demonstrated. Ray Kurzweil
The mind of man may be compared to a musical instrument with a certain range of notes, beyond which in both directions we have an infinitude of silence. John Tyndall
I want to swim in both directions at once. Desire success, court failure. Alan Rickman