We do not have to visit a madhouse to find disordered minds; our planet is the mental institution of the universe.
Be that self which one truly is.
Being powerful is like being a lady. If you have to tell people you are, you aren't.
When the student is ready, the teacher will appear.
Will and intellect are one and the same thing.
All honor's wounds are self-inflicted.
You hear a lot of dialogue on the death of the American family. Families aren't dying. They're merging into big conglomerates.
All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.
For the meaning of life differs from man to man, from day to day and from hour to hour. What matters, therefore, is not the meaning of life in general but rather the specific meaning of a person's life at a given moment.
What is to give light must endure burning.
You're only given a little spark of madness. You mustn't lose it.
I am not ashamed to confess that I am ignorant of what I do not know.
Delay always breeds danger. To protract a great design is often to ruin it.
I just want to retire before I go senile because if I don't retire before I go senile, then I'll do more damage than good at that point.
Common sense is not so common.
The only thing worse than being blind is having sight but no vision.
Everyone is born a genius, but the process of living de-geniuses them.
Experience without theory is blind, but theory without experience is mere intellectual play.
Gold and silver from the dead turn often into lead.
The hardest thing to explain is the glaringly evident which everybody has decided not to see.
If a dog will not come to you after having looked you in the face, you should go home and examine your conscience.