Better mad with the rest of the world than wise alone.
Criticize the act, not the person.
The best revenge is to be unlike him who performed the injury.
A person who spends more than he earns is a fool
The heart has its reasons which reason knows not.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact
There are things known and there are things unknown, and in between are the doors of perception.
To do great things is difficult, but to command great things is more difficult.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
Rest satisfied with doing well, and leave others to talk of you as they please.
Colorless green ideas sleep furiously
The only way to get the best of an argument is to avoid it.
Language is very powerful. Language does not just describe reality. Language creates the reality it describes.
If I speak of myself in different ways, that is because I look at myself in different ways.
If you buy what you do not need, you will need what you cannot buy.
A person reveals his character by nothing so clearly as the joke he resents.
If you are a parent, open doors to unknown directions to the child so he can explore. Don't make him afraid of the unknown,give him support.
By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.
You don't become what you want, you become what you believe
It seems essential, in relationships and all tasks, that we concentrate only on what is most significant and important.
It is neither good nor bad, but thinking makes it so.