When one's ideas are not ...

When one\'s ideas are not challenged, one\'s ability to defend them weakens.
When one's ideas are not challenged, one's ability to defend them weakens.

Quotes from the same author

Accordingly, France Had Voltaire, and his school of negative thinkers, and England (or rather Scotland) had the profoundest negative thinker on record, David Hume: a man, the peculiarities of whose mind qualified him to detect failure of proof, and want of logical consistency, at a depth which French skeptics, with their comparatively feeble powers of analysis and abstractions stop far short of, and which German subtlety alone could thoroughly appreciate, or hope to rival.
What citizens of a free country would listen to any offers of good and skillful administration in return for the abdication of freedom?
Men and governments must act to the best of their ability. There is no such thing as absolute certainty but there is assurance sufficient for the purposes of human life.
One person with a belief is equal to ninety-nine who have only interests.
They who know how to employ opportunities will often find that they can create them; and what we can achieve depends less on the amount of time we possess than on the use we make of our time.