Baruch or Benedict Spinoza (1632-77) attempts to give ethics an unequivocally rational foundation.

It's not an issue with a solid, rational foundation.

He is credited with being a pioneer in placing endodontic practice on a sound and rational foundation.

It argued that a rational foundation for ethics was compatible with Christianity, enabling it to borrow many ideas from the Nicomachean Ethics.

Therefore it emphasized a mastery of the rational foundations of communication in order to understand rhetoric.

But you're on no rational foundation either, Harrison!

The construction of a rational, Enlightenment foundation for a theologically progressive but deeply embedded, socially conservative liberal faith tradition began with Charles Chauncy.

After all, we must all admit that the entire body of European discourse is built on rational foundations.

In the Reflections, Burke argued that the French Revolution would end disastrously because its abstract foundations, purportedly rational, ignored the complexities of human nature and society.

A budget maximizing strategy is inconsistent with the aim of survival which is said to be the rational foundation for such a strategy (Breton and Wintrobe 1979).