“I have often wondered what the source of bitochon is”
R’ Meir Simcha argues it is the mitzva of Dveikus…fascinating piece…
The Maharal says several times that if you don’t believe in Teva – that Hashem created predetermined rules for how the world runs – you are a מחרף ומגדף… (This is how he interprets the problem of האומר הלל הגדול בכל יום).
In no way does this contradict the basic idea R’ Dessler and others are conveying…