There is no authority who decides what is a good idea.

Better know nothing than half-know many things.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

To every action there is always an equal and opposite or contrary, reaction

You can never learn less, you can only learn more.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

In mathematics you don't understand things. You just get used to them.

Learning never exhausts the mind.

The knowledge of all things is possible

I learned very early the difference between knowing the name of something and knowing something.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Knowledge, Action, Devotion are complementary to each other.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

I am so clever that sometimes I don't understand a single word of what I am saying.

I am indebted to my father for living, but to my teacher for living well.

A little knowledge is a dangerous thing. So is a lot.

If you can't explain it simply, you don't understand it well enough.

You can never be overdressed or overeducated.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.