Management, business, leadership and investing quotes and many other famous quotes

the performance of the whole is never the sum of the performance of the parts taken separately, but it's the product of their interactions.
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
The best is the enemy of the good.