The phrase "all too modest" is correct and usable in written English.
It can be used to describe someone who is excessively humble or self-effacing, often in a context where their achievements or qualities deserve more recognition.
Example: "Despite her numerous accolades, she remains all too modest about her contributions to the project."
Alternatives: "excessively humble" or "unduly modest".
The European Parliament' s bureaucracy is a steamroller which takes up too great a part of our all too modest economic means, and I have an albeit vague suspicion that this is partly responsible for the sluggishness of the European Union in financial matters as well.
I would go to them (and straight plays, too) at Saturday matinees, alone, sitting in the cheapest seats ($1.20) since my allowance was all too modest.
In fact, as the Administration plans to resist Congressional cuts of our payments to the U.N., our reduction demand is all too modest and the timetable too slow.
Witness the all-too-modest proposals of Tristram Hunt.
Perhaps the biggest whopper that he utters in his interview is his all-too-modest, self-serving observation "I'm modern because I make the difficult seem easy, and so I can communicate with the whole world".
The all-too-modest Killian has had a consistent presence in the growing New Music scene in Ventura, as a performer, supporter and a handyman with computer graphics.
So anyone who wants to know one of auto racing's titans — a man by all accounts too modest to brag about himself — will get as hefty a steak as Fangio ever slapped onto the grill at his estancia.
"Until now, though, all of our spaces were too modest to reveal the full eloquence of these artists' works, which is something that we must now discover".
All of these people are too modest to call themselves heroes, but their everyday acts of courage are making big changes in the world, driving a global movement that I want to chronicle in a documentary I'm making with Richard Neill called Shelter.
After all, a theory may be just as incorrect by being too modest in its claims as by being too bold.
