If one tries hard, one will never fail.
If one does his home work regularly, one gets good grades.
Can't we swap pronoun 'he' with pronoun 'one' in the above sentences?
It should be noted that in BrE, the use of "one" might be considered formal/posh/snobby depending on the listener!
It should be noted that in BrE, the use of "one" might be considered formal/posh/snobby depending on the listener!
However, if one does use it, then one should use it right.