And some fell on stony ground, where it had not much earth; and immediately it sprang up, because it had no depth of earth: But when the sun was up, it was scorched; and because it had no root, it withered away. And some fell among thorns, and the thorns grew up, and choked it, and it yielded no fruit. And other fell on good ground, and did yield fruit that sprang up and increased; and brought forth, some thirty, and some sixty, and some an hundred.

Mark 4:5-8 If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits.

There are only plateaus, and you must not stay there, you must go beyond them. Bruce Lee (1940-1973) was a Hong Kong-American martial artist and actor..