Doubt grows with knowledge.
When ideas fail, words come in very handy.
Nothing is more terrible than ignorance in action
Enjoy when you can, and endure when you must.
What is my life if I am no longer useful to others.
As soon as you trust yourself, you will know how to live.
Everybody wants to be somebody; nobody wants to grow.
Divide and rule, a sound motto. Unite and lead, a better one.
Nothing shows a man's character more than what he laughs at.
There is nothing more dreadful than imagination without taste.
Talent develops in tranquillity, character in the full current of human life.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Every theory is gray, and only is green the tree of golden fruits that is life.
We know accurately only when we know little, with knowledge doubt increases.
You don't have to travel around the world to understand that the sky is blue everywhere.
We do not have to visit a madhouse to find disordered minds; our planet is the mental institution of the universe.
In nature we never see anything isolated, but everything in connection with something else which is before it, beside it, under it and over it.
If I accept you as you are, I will make you worse; however if I treat you as though you are what you are capable of becoming, I help you become that.