Simplicity is the ultimate sophistication.
The greatest deception men suffer is from their own opinions.
Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.
He who wishes to be rich in a day will be hanged in a year.
He who thinks little, errs much.
Reprove your friend in secret and praise him openly.
Fear arises sooner than anything else.
We ought not to desire the impossible.
It is easier to resist at the beginning than at the end.
Where there is most feeling, there is the greatest martyrdom.
The acquisition of any knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known.
Truth was the only daughter of Time.
Wisdom is the daughter of experience.
As a well-spent day brings happy sleep, so life well used brings happy death.
He who walks straight rarely falls.
We, by our arts may be called the grandsons of God.
What is fair in men, passes away, but not so in art.
He who possesses most must be most afraid of loss.
Human subtlety...will never devise an invention more beautiful, more simple or more direct than does nature, because in her inventions nothing is lacking, and nothing is superfluous.
Poor is the pupil that does not surpass his master.
It is easier to contend with evil at the first than at the last.
Man has much power of discourse which for the most part is vain and false; animals have but little, but it is useful and true, and a small truth is better than a great lie.
O Time! consumer of all things; O envious age! thou dost destroy all things and devour all things with the relentless teeth of years, little by little in a slow death.
Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.