Is the Nikon 35mm f/1.4G AF-S Nikkor Lens sharp? This page visually answers that question. Shown above are 100% crops from a lab-captured 35mm f/8.0 test image. Observe the contrast and resolution of these results.
Is the Nikon 35mm f/1.4G AF-S Nikkor Lens set to 35mm f/8.0 sharper than the Zeiss 21mm f/2.8 Classic Lens set to 21mm f/5.6? The image quality comparison above also answers that question. Switch between the results to see the sharpness differences between these lenses.