It's a good idea to/It's difficult to/It's impossible to/It's so hard to/I make it a rule to

It's a good idea to read books.

It's a good idea to make friends.

It's a good idea to keep promises.

It's a good idea to go to the library.

It's a good idea to exercise.

 

It's difficult to study English.

It's difficult to swim.

It's difficult to code.

It's difficult to cook.

It's difficult to get up early in the morning.

 

lt is impossible to play with you today.

It is impossible to finish reading this book.

It is impossible to go to the South pole.

It is impossible to walk through the entire world.

It is impossible to approach the Sun.

 

It's so hard to exercise.

It's so hard to do my homework.

It's so hard to quit playing games.

It's so hard to win first place.

It's so hard to eat really spicy food.

 

I make it a rule to go to school.

I make it a rule to brush my teech.

I make it a rule to take a shower.

I make it a rule to sleep at ten o'clock.

I make it a rule to eat meals.