Engineers often return to first principles when designing a truly reliable system.

Philosophers debated whether anthropic principles could legitimately explain the apparent fine-tuning of the universe.

When redesigning the product, we returned to first principles to avoid repeating old mistakes.

The researchers debated how the Mitchell principles should guide the upcoming negotiations.

Despite elegant arguments, the dormitive principles in the textbook failed to account for why the medication made so many patients sleepy.

In advanced physics courses, students often compare different superposition principles to understand how linear systems respond to multiple inputs.

The mathematician used pigeonhole principles to show that at least two people in the group would share the same birthday.

Researchers discussed the proximate principles that govern nutrient distribution in the experimental diet.

In his lecture, he compared the equivalence principles proposed by different physicists to highlight subtle theoretical differences.

Even as the budget tightened, he clung to the Micawber principles, convinced that something would eventually solve his debts.