Belief: 'Few things are so firmly believed as those we can least disprove. All men desire knowledge, but many only believe what they desire. Deep-rooted beliefs are one of the many consequences of intellect, and also of ignorance; and telling one from the other is sometimes impossible.'

Language: 'Language is vastly important to nearly all human progression. Language is a factor that joins nations of people together. It is a common denominator…

Knowledge: 'The terrain of our knowledge is scattered with assumptions like precarious, narrow, towering-peaks and mysteries like abysmal rifts. And as is in n…

Prudence: 'Speak rarely, but then speak carefully. Speak with great calculation and discretion before your rivals and with great nobility of manner before frie…

It is better to don't understand something true, than to understand something false.

It is a far, far better thing to have a firm anchor in nonsense than to put out on the troubled seas of thought.

And how is not this the most reprehensible ignorance, to think that one knows what one does not know? But I, O Athenians! in this, perhaps, differ from most me…