1. It is high time he started to look into his own flaws before speaking ill of others.
2. It is high time he started looking into his own flaws before speaking ill of others.
I think 1st one is correct because verb "start" followed by an Infinitive.
Which one is correct?
And one more question Is there any specific rule to use gerund and infinitive or i just have to memorize verbs which followed by infinitive and gerund?.