The longing to behold this pre-established harmony [of phenomena and theoretical principles] is the source of the inexhaustible patience and perseverance with which Planck has devoted himself ... The state of mind which enables a man to do work of this kind is akin to that of the religious worshiper or the lover; the daily effort comes from no deliberate intention or program, but straight from the heart.
This world is not for cowards. Do not try to fly. Look not for success or failure. Join yourself to the perfectly unselfish will and work on. Know that the mind which is born to succeed joins itself to a determined will and perseveres. You have the right to work, but do not become so degenerate as to look for results. Work incessantly, but see something behind the work. Even good deeds can find a man in great bondage. Therefore be not bound by good deeds or by desire for name and fame. Those who know this secret pass beyond this round of birth and death and become immortal.
Wait with patience and love and strength. If helpers are not ready now, they will come in time. Why should we be in a hurry? The real working force of all great work is in its almost unperceived beginnings.
The miracle or the power that elevates the few is to be found in their industry, application and perseverance under the promptings of a brave, determined spirit.
Know it for certain that without steady devotion for the Guru and unflinching patience and perseverance, nothing is to be achieved. You must have strict morality.
When any two young people take it into their heads to marry, they are pretty sure by perseverance to carry their point, be they ever so poor, or ever so imprudent, or ever so little likely to be necessary to each other's ultimate comfort.
All great masters are chiefly distinguished by the power of adding a second, a third, and perhaps a fourth step in a continuous line. Many a man has taken the first step. With every additional step you enhance immensely the value of your first.
Have fire and spread all over. Work, work. Be the servant while leading, be unselfish, and never listen to one friend in private accusing another. Have infinite patience, and success is yours.