There is always time to add a word, never to withdraw one.
To a wise and good man the whole earth is his fatherland.
There are things known and there are things unknown, and in between are the doors of perception.
Don't compromise yourself. You are all you've got.
What a man does for others, not what they do for him, gives him immortality.
Thoughts without content are empty, intuitions without concepts are blind.
In anger we should refrain both from speech and action.
Only from the heart can you touch the sky.
Most of us have far more courage than we ever dreamed possible
Those who dance are considered insane by those who cannot hear the music.
Act as if the maxim of your action were to become through your will a general natural law
Courage, above all things, is the first quality of a warrior.
There are no limitations to the mind except those we acknowledge.
He who conquers others is strong; he who conquers himself is mighty.
In the practice of tolerance, one's enemy is the best teacher.
The most certain sign of wisdom is cheerfulness.
Only idiots refuse to change their minds.
Each problem that I solved became a rule which served afterwards to solve other problems.
All imperfection is easier to tolerate if served up in small doses.
The first thing you'll have to do, is the last thing you wished.
No one cares how much you know, until they know how much you care