When your youth is about to enter in old age it shouldn't wonder, what happened? it must say, well done.

You cannot afford to gamble your youth only for fun.

Too young to care; Too old to change.

It’s amazing how when we were young we wanted to know what it felt like to be older and when we are older we want the feeling of being younger again.

I was young and foolish then; now I am old and foolish

La juventud es un engaño -un engaño de la prensa y libros de texto. ¡La mejor época de la vida! […] La juventud es la época más difícil de la existencia.