Books are those faithful mirrors that reflect to our mind the minds of sages and heroes.
Some suggestions for you :
A heart to resolve, a head to contrive, and a hand to execute.
The courage of a soldier is found to be the cheapest and most common quality of human nature.
Unprovided with original learning, unformed in the habits of thinking, unskilled in the arts of composition, I resolved to write a book.
The laws of probability, so true in general, so fallacious in particular.
Every man who rises above the common level has received two educations: the first from his teachers; the second, more personal and important, from himself.
The pathetic almost always consists in the detail of little events.
I have but one lamp by which my feet are guided, and that is the lamp of experience. I know no way of judging of the future but by the past.
Corruption, the most infallible symptom of constitutional liberty.
But the power of instruction is seldom of much efficacy, except in those happy dispositions where it is almost superfluous.
Conversation enriches the understanding, but solitude is the school of genius.