السَّعْيُ سَعْيٌ يَسْعَى إِلَى السَّعْيِ.
Effort is an effort that strives toward effort.
The repeated root yields sound similarity but little clear proposition. Derivational patterning can be pleasing, yet reiteration without a determinate message does not make the expression eloquent.
For exhortation, “The fruit of knowledge appears through action” is a stronger revision: its claim is intelligible and the imagery supports the meaning rather than masking it.