Anyone can repeat a technical explanation they read in a text-book or blog post.

Every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving.

If people would only talk about what they understood, Earth would be a very quiet place.

The only sure way to avoid making mistakes is to have no new ideas.

If one studies too zealously, one easily loses his pants.

Everything that can be counted does not necessarily count; everything that counts cannot necessarily be counted.

It is important to foster individuality, for only the individual can produce the new ideas.