Do what you can, with what you have, where you are.
A public-opinion poll is no substitute for thought.
Making something is really hard. You have to care about it so much that you will push through all the disappointments and frustrations.
The only limit to our realization of tomorrow will be our doubts of today.
The road to hell is paved with works-in-progress.
我们都在行业的开始阶段，这是改变世界的机会。
The whole problem with the world is that fools and fanatics are always so certain of themselves， and wiser people so full of doubts.
The more you know about something, the more interesting it becomes.