A speck of dust.
The biggest shadow I have personally seen is probably the one from the Empire State Building.
no he is the biggest dumbshit i have ever seen
its the biggest penis ive ever seen
The python was the biggest snake i ever seen.
a ballsack
Inside a cocoon, the most fascinating thing I have ever seen is the transformation of a caterpillar into a butterfly.
NO BREWARRINA IS THE BIGGEST HOLE IVE EVER SEEN
Its ''είναι το μεγαλύτερο πράγμα που έχω δεί ποτέ'' (ine to megalitero pragma pou exo di pote).
5 to 6 feet
Tachyon is the fastest thing ever because its slowest velocity is the speed of light! Light is the fastest thing that can be seen.
No-one has ever seen one.
'The strangest thing I've ever seen,' is not even a complete sentence. "That is the strangest thing I've ever seen,' is a complete sentence. It could be a declarative sentence, but given the nature of the statement it is also possible to be an exclamatory sentence, punctuated by an exclamation mark.