Knowing yourself is the beginning of all wisdom.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact
Muddy water is best cleared by leaving it alone.
Never argue with an idiot. They drag you down to their level and then beat you with experience.
Science is organized knowledge. Wisdom is organized life.
If you're happy, don't worry you'll get over it.
The most certain sign of wisdom is cheerfulness.
We must live together as brothers or perish together as fools.
It takes a lot of courage to show your dreams to someone else.
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.
One of the truest tests of integrity is its blunt refusal to be compromised.
The greatest of wealth is the richness of the soul.
Intelligence is a moral category.
Wrong life cannot be lived rightly.
There is geometry in the humming of the strings. There is music in the spacing of the spheres.
All great achievements require time.
Act enthusiastic and you will be enthusiastic
Mistakes are always forgivable, if one has the courage to admit them.
To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.
All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.