The best way is to talk or interact directly with the person. Smartness is a relative concept, as usually there are things that each person can learn from the other.
smarter than someone who tries to live in water
Listen to someone smarter than you, or who knows the subject better.
Smarter
they knew because they were smarter than us
that no man was smarter than socrates
not 100% sure but i can tell you that he is smarter than the average bear
your family and friends
Put your hand over your face. Then, go up to one of your friends. If they hit your hand, you are stupid. -- Learn something new. Then you are now smarter then you were a moment ago. Hopefully that will make you smarter than you think you were.
Someone who is very smart. Smarter than me (which is very hard to beat)
i dont care wat you created...i am smarter than both of you
Thinking you are smarter than someone else and having a lower opinion of that person.
No I am smarter than every body.