Princes should devolve on others those matters that entail responsibility, and reserve to themselves those that relate to grace and favour.
Keep your friends close, but your enemies closer.
He who believes that new benefits will cause great personages to forget old injuries is deceived.
No principality is secure without having its own forces.
The new ruler must determine all the injuries that he will need to inflict. He must inflict them once and for all.
Of mankind we may say in general they are fickle, hypocritical, and greedy of gain.
Never was anything great achieved without danger.
Where the willingness is great, the difficulties cannot be great.
One who deceives will always find those who allow themselves to be deceived.
I'm not interested in preserving the status quo; I want to overthrow it.
When you put your hand in a flowing stream, you touch the last that has gone before and the first of what is still to come.
The smallest feline is a masterpiece.
The painter who draws merely by practice and by eye, without any reason, is like a mirror which copies every thing placed in front of it without being conscious of their existence.
I have always felt it is my destiny to build a machine that would allow man to fly.
Medicine is the restoration of discordant elements; sickness is the discord of the elements infused into the living body.
As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.
The function of muscle is to pull and not to push, except in the case of the genitals and the tongue.
Science is the captain, and practice the soldiers
You can have no dominion greater or less than that over yourself.
I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.
Simplicity is the ultimate sophistication.
So they were trying to re-invent themselves and their universe. Science fiction was a big help.
How nice - to feel nothing, and still get full credit for being alive.
There must be tons of human bone meal in the ground.