Do you agree or disagree with following statement? It is better to have broad knowledge of many academic subjects than to specialize in one specific subject.

How possible become an expert in one filed or many academic subjects has been a controversial question
Description: can you re-write this sentence? related to 'how'

whether enlarge their knowledge of many fields with shallow deep or try to be an expert in one specific subject.
Description: can you re-write this sentence? related to 'whether'

the first equisetic reason deserves to be mentioned is that
the first equisetic reason which deserves to be mentioned is that

not only did his knowledge and experiences help us, but also were they an obstacle to progress in our work.
Description: Not only...but also is not used properly. can you re-write this sentence?

people does not have enough time
people do not have enough time

which they eager and love
which they are eager and love

Sentence: To commence, the first equisetic reason deserves to be mentioned is that when people focus on specific fields and try to be an expert at it, they can learn and help other people more than having a broad knowledge of many aspects of sciences.
Error: equisetic Suggestion: ?

flaws:
No. of Grammatical Errors: 6 2
Read a good grammar book.

No. of Words: 485 while No. of Different Words: 209

Attribute Value Ideal
Score: 20 in 30
Category: Good Excellent
No. of Grammatical Errors: 6 2
No. of Spelling Errors: 1 2
No. of Sentences: 20 15
No. of Words: 485 350
No. of Characters: 2167 1500
No. of Different Words: 209 200
Fourth Root of Number of Words: 4.693 4.7
Average Word Length: 4.468 4.6
Word Length SD: 2.496 2.4
No. of Words greater than 5 chars: 145 100
No. of Words greater than 6 chars: 95 80
No. of Words greater than 7 chars: 67 40
No. of Words greater than 8 chars: 44 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 24.25 21.0
Sentence Length SD: 8.117 7.5
Use of Discourse Markers (%): 0.5 0.12
Sentence-Text Coherence: 0.351 0.35
Sentence-Para Coherence: 0.511 0.50
Sentence-Sentence Coherence: 0.16 0.07
Number of Paragraphs: 4 5