Science might almost be redefined as the process of substituting unimportant questions which can be answered for important questions which cannot.
This language controls by reducing the linguistic forms and symbols of reflection, abstraction, development, contradiction; by substituting images for concepts. It denies or absorbs the transcendent vocabulary; it does not search for but establishes and imposes truth and falsehood.herbert marcuse
The equations at which we arrive must be such that a person of any nation, by substituting the numerical values of the quantities as measured by his own national units, would obtain a true result.james clerk maxwell
Facts have a cruel way of substituting themselves for fancies. There is nothing more remorseless, just as there is nothing more helpful, than truth.
Finally, it should be the earnest wish and paramount aim of the military administration to win the confidence, respect, and affection of the inhabitants of the Philippines by assuring them in every possible way that full measure of individual rights and liberties which is the heritage of free peoples, and by proving to them that the mission of the United States is one of benevolent assimilation substituting the mild sway of justice and right for arbitrary rule.william mckinley