[ה'תשל"ג]
שלום וברכה!
(1) כיון שלומד (ששייך) לישיבה – עליו ללמוד המסכת דהישיבה – עכ"פ חלק מזמן לימודיו.
(2) בנוגע להשתתפותו בעסק ההמצאה: באם המתעסקים בזה והמציעים – ברי סמכא (מבינים במסחר כזה, אחדים מהם עכ"פ – משתתפים גם בממונם, אינם דרייער וכיו"ב) יכול גם הוא להשתתף. – אבל גודל ההפלאה ... [חסר הסיום]
5733.
Shalom u'Vrachah!
(1) Since you are learning (and belong) to a yeshiva, you must study the tractate assigned by the yeshiva—at least for part of your study time.
(2) Regarding your participation in the invention business: If those involved and making the proposal are reliable authorities (understand this type of business, and some of them—at least—are also investing their own money, and they are not 'dreyer' [deceivers], etc.), then you may also participate. But the greatness of the wonder... [ending missing]
Summary
A yeshiva student should prioritize learning his institution's designated tractate. When considering joining a business venture, ensure those involved are trustworthy and have invested their own resources before participating.