“Do not swallow bait offered by the enemy. Do not interfere with an army that is returning home.”

“A closed mouth catches no flies.”

“Little by little does the trick.”

“The gem cannot be polished without friction nor man perfected without trials.”

“Be slow in choosing a friend, slower in changing.”

“Ability is of little account without opportunity.”

“Great is the power of habit. It teaches us to bear fatigue and to despise wounds and pain.”

“Let your Discourse with Men of Business be Short and Comprehensive.”

“Perplexity is the beginning of knowledge.”

“I keep six honest serving men. (They taught me all I know) Their names are What and Why and When and How and Where and...”

“Knowledge is the treasure of a wise man.”

“This was how an enemy should be dealt with: with a dagger, not a declaration.”