The 24-year-old, who said he wants to win the Ballon d'Or, has not won a trophy in three full seasons at Spurs.
"There's no doubt Harry Kane is one of the best strikers," said Pochettino.
"In my opinion he does not need titles to show that he's one of the best strikers."
"It's true that players try to score to win and show good performance and in the end win titles. That's the aim for everyone," said Pochettino.
"But for me so far Harry Kane is showing he's one of the best strikers in the world."
Tottenham host Swansea City on Saturday looking to record their first win in the Premier League at temporary home Wembley.
"We need players with that motivation," said the Argentine. "If you, like Harry Kane, show that motivation, all can happen and all is possible in football.
"He's a great example to everyone. He's always trying to improve himself.
"We are working very hard to build our philosophy and the way we want to play, then to win.
"The objective always is to try to win games and win titles, because that is our ambition."