You can do anything but not everything.
Greg McKeown
Every man is pent up within the limits of his own consciousness, and cannot directly get beyond those limits any more than he can get beyond his own skin; so external aid is not of much use to him.
Arthur Schopenhauer
Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.
Albert Einstein
Genius has limitations; stupidity is boundless.
The secret of contentment is knowing how to enjoy what you have, and to be able to lose all desire for things beyond your reach.
Lyn Yutang
If you confront the limitations of life courageously, that provides you with a certain psychological purpose that serves as an antidote to the suffering.
Jordan Peterson
If the sailors become too numerous the ship sinks.
Arab proverbs
A tied dog does not jump farther than his cord.
Norwegian proverbs
Liberty must be limited in order to be possessed.
Edmund Burke
Atheism shows strength of mind, but only to a certain degree.
Blaise Pascal
If you bend the bow too much, it will break.
We still do not know one thousandth of one percent of what nature has revealed to us.
Government exists to protect us from each other. Where government has gone beyond its limits is in deciding to protect us from ourselves.
Ronald Reagan